A single force of F(t) = 3t + 6 acts on a box that is initially stationary on a frictionless horizontal table. The box has mass of 3 kg.Find the speed of box at t= 2 s. Select one: a. 33.0 m/s b. 15.0 m/s C. 12.0 m/s d. 29.3 m/s e. 6.7 m/s

A single force of F(t) = 3t + 6 acts on a box that is initially stationary on a frictionless horizontal table. The box has mass of 3 kg.Find the speed of box at t= 2 s. Select one: a. 33.0 m/s b. 15.0 m/s C. 12.0 m/s d. 29.3 m/s e. 6.7 m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 33P: Gayle runs at a speed of 4.00 m/s and dives on a sled, initially at rest on the top of a...

See similar textbooks

Related questions

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.…

Q: An airplane of mass 1.50 x 104 kg is moving at 60.0 m/s.The pilot then increases the engine’s thrust…

A: Mass of the airplane = 1.50 X 104 kgInitial Speed of the airplane = 60 m/sThrust force = 7.50 X 104…

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

Q: A 3.0 kg block slides with a speed of 2.7 m/s on a frictionless horizontal surface until it…

A: Mass , m = 3 kg Speed , v = 2.7 m/s Compression , x = 5.6 cm = 0.056 m To find = a) Force constant…

Q: 15. A stone slides down each of the three frictionless ramps, as shown in the figure. For which ramp…

A: From conservation of energy potential energy at top = kinetic energy at bottom As the object is same…

Q: A student places her 410 g physics book on a frictionless table. She pushes the book against a…

A: At the moment when she releases the book, the potential energy gets converted to kinetic energyThe…

Q: A child and sled with a combined mass of 52.5 kg slide down a frictionless hill that is 7.08 m high…

Q: F231G A single frictionless roller-coaster car of mass m 200 kg tops the first hill with speed vo =…

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.…

A: The data given is as follows: 1. Initial kinetic energy of father, KEfatheri=14KEsoni 2. Mass of…

Q: A 600 kg roller coa sters starts at A and moves to B and then to C under the influence of gravity…

Q: An engine uses 20000 N of force to power a car at an average speed of 5.0 m/s. What is the average…

A: P=Wt=Fdt=Fv

Q: isplacement Q6: An elevator has a mass of 1600 kg and is carrying 200 kg passengers. A constant…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given : m = 4 kg v = 5 m/s h = 8 m g = 10 m/s2

Q: A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father.…

Q: In the figure below, a block of mass m = 11 kg is released from rest on a frictionless incline…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given:- A box of mass m = 4.0 kg The elevator is moving up at a steady speed u = 5.0 m/s The…

Q: A 510-kg roller coaster car starts at a height of 32.0 m. Assuming negligible energy losses to…

A: Since, the energy losses to the friction and air resistance are negligible, the energy of the roller…

Q: A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father.…

Q: A physics student monitors the speed and kinetic energy of a 0.30 kg traveling object that moves in…

A: Mass of the object m=0.30 kg At t1=1.00 s ,Speed of the object v1=4.5 m/s At t2=4.00 s ,the kinetic…

Q: A force F (ca – 3.00a²) i acts on a particle as the particle moves along %3D an x axis, with F in…

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.…

Q: If you throw a ball with mass m upward to height h, the gravity does work? Choose the answer a)…

A: suppose we throw a ball upward to a height h then gravitational force will act on it in the vertical…

Q: A 263 g ball of clay falls onto a vertical spring. The spring constant k = 2.52 N/cm. The clay…

A: Given: mass of the ball, m=263 g=0.263 kg spring force constant, k=2.52 N/cm spring compression,…

Q: =2 kg z = u t =4 m/sn h= 5m L - 2 m

A: (given) Frictional force (F) between LM = 20 N Mass (m) of the object = 2 kg h = 5 m v0=4 m/s2 Work…

Q: puck’s

A: The work-energy theorem can be applied here, work done=change in kinetic energy Work done by a body…

Q: m with 45 J of kinetic energy. A beaver runs at a speed of 2.0 S What is the beaver's mass? Round…

A: The kinetic energy of an object is calculated by using the formula E=12mv2 , where m is the mass of…

Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

A: Mass , m = 500 kg Velocity at point A , VA = 20 m/s To find = velocity at point B .

Q: A particle of mass 4 kg is subject to a net force that varies with position as shown in figure…

Q: Petra asked her mom to take her to the playground near her house. She loves to scare her mom by…

A: Given: Petra's mass, m=20.4 kg Height of slide, h=3.30 m g=9.8 m/s2 Let's calculate Petra's speed v…

Q: m = 5 kg 40° 3m 3m (т hị Va = 2.0 m/s hy= 0 m Theoretical: Use the energy method to find v3.…

A: Values given in the question are as follow; θ=40ova=2 mshi=0.702 mhf=0l=3 mm=5 kg According to…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving down…

Q: A ball is released from a height of 13 m and weighs 85 N. What is the magnitude |Δ?| of the total…

Q: A spring-loaded toy gun is used to launch a 10 g plastic ball. The spring, which has a spring…

Q: 4. A van travels at a speed of 40.0 km/h with a kinetic energy of 7 600 J. What is the van's mass?…

A: Given that speed of the Van and kinetic energy of the Van.Then We have to determine the mass of the…

Q: A father racing his son has 1/3 the kinetic energy of the son, who has 1/ 3 the mass of the father.…

A: Given Father kinetic energy is 1/3 the kinetic energy of son KEf = KEs/3 Mass of son is 1/3…

Q: A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed…

Q: A net external force is applied to a 6.85-kg object that is initially at rest. The net force…

A: Given: Mass, m = 6.85 kgThe graph between force and displacement is given.Find: Speed of the object…

Q: During a serve, a tennis racket exerts an average force of 250 N on a 80-g tennis ball, initially at…

A: Given data: Force (F) = 250 N Mass (m) = 0.080 g Initial velocity (Vi) = 0 m/s Time (t) = 0.005 s…

Q: In the figure, a frictionless roller coaster car of mass m = 832 kg tops the first hill with speed…

Q: 3. An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m…

A: The given data are listed below with suitable variables. Here, m denotes the object’s mass, H…

Q: by 1.8 m/s and

A: Suppose (Kf) & (Ks) be the kinetic energy of the father & son respectively. Kf=Ks2 ----(1)…

Q: A small object with ?=0.0250kg is moving in the positive x-axis with velocity ??=12.0m/s. What…

A: K.E=12mv2 Work done = F*d F=force d=displacement m=0.0250 kg d=0.15 m v=12.0 m/s

Q: A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father.…

Q: A bolt gun has a spring of spring constant k = 14 N/m which is used to fire a bolt of mass m. The…

Q: 1) a child and sled with combined mass of 46.7kg slide down a fictionless hill that is 10.2m high at…

A: As the gravitational force is conservative force so the workdone/ energy is path independent if…

Q: A motorbike engine can develop a power of 90000 W in order to keep a constant velocity of 30 m/s.…

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/4 the mass of the father.…

A: Given : Initial kinetic energy of father Ki and final kinetic energy Kf Initial velocity of father…

Question

what is the right answer?

A single force of F(t) = 3t +6 acts on a box that is initially stationary on a frictionless horizontal table. The box has mass
of 3 kg.Find the speed of box at t= 2 s.
Select one:
a. 33.0 m/s
b. 15.0 m/s
C. 12.0 m/s
d. 29.3 m/s
е. 6.7 m/s
O O O O

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Answer

VIEW

Step 2: Explanation

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A 4.00-kg particle is subject to a net force that varies with position as shown in Figure P7.9. The particle starts from rest at x = 0. What is its speed at (a) x = 5.00 m, (b) x = 10.0 m, and (c) x = 15.0 m?
(a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest to 10.0 m/s in 3.00 s? (b) Considering the amount of power generated, do you think a well-trained athlete could do this repetitively for long periods of time?
(a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a speed of 15.0 m/s, neglecting friction? (b) How long will this acceleration take if the car also climbs a 3.00-m-high hill in the process?
A child of mass m starts from rest and slides without friction from a height h along a curved waterslide (Fig. P5.46). She is launched from a height h/5 into the pool. (a) Is mechanical energy conserved? Why? (b) Give the gravitational potential energy associated with the child and her kinetic energy in terms of mgh at the following positions: the top of the waterslide, the launching point, and the point where she lands in the pool. (c) Determine her initial speed V0 at the launch point in terms of g and h. (d) Determine her maximum airborne height ymax in terms of h, g, and the horizontal speed at that height, v0x. (e) Use the x-component of the answer to part (c) to eliminate from the answer to part (d), giving the height ymax in terms of g, h, and the launch angle . (f) Would your answers be the same if the waterslide were not frictionless? Explain. Figure P5.46
A large cruise ship of mass 6.50 107 kg has a speed of 12.0 m/s at some instant. (a) What is the ships kinetic energy at this time? (b) How much work is required to stop it? (c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.50 km?
A 6.50 102-kg elevator starts from rest and moves upward for 3.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period? (b) How does this amount of power compare with its power during an upward trip with constant speed?
Gayle runs at a speed of 4.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill. After she has descended a vertical distance of 5.00 m. her brother, who is initially at rest, hops on her back, and they continue down the hill together. What is their speed at the bottom of the hill if the total vertical drop is 15.0 m? Gayle's mass is 50.0 kg, the sled has a mass of 5.00 kg, and her brother has a mass of 30.0 kg.
Two blocks, A and B (with mass 50.0 kg and 1.00 102 kg, respectively), are connected by a string, as shown in Figure P5.86. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is k = 0.250. Determine the change in the kinetic energy of block A as it moves from to , a distance of 20.0 m up the incline (and block B drops downward a distance of 20.0 m) if the system starts from rest. Figure P5.86
A man unloads a 5.0-kg box from a moving van by giving it an initial speed of 1.3 m/s down a ramp that makes an angle of 20 with the horizontal. It slides with negligible friction for 2.7 m along the ramp before reaching the mans helper. What is the speed of the box as the helper catches it?
Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an archer pulls the bow back 50 cm and holds it in position with a force of 150 N. If the mass of the arrow is 50 g and the “spring” is massless, what is the speed of the arrow immediately after it leaves the bow?
(a) Sketch a graph of the potential energy function U(x)=kx2/2+Aex2 where k , A, and are constants. (b) What is the force corresponding to this potential energy? (c) Suppose a particle of mass in moving with this potential energy has a velocity v when its position is x = . Show that the particle does not pass 2+2 through the origin unless Amv2=k22(1e a 2 ) .
Two blocks are connected by a light string that passes over a frictionless pulley as in Figure P5.38. The system is released from rest while m2 is on the floor and m1 is a distance h above the floor. (a) Assuming m1 m2, Find an expression for the speed of m1 just as it reaches the floor. (b) Taking m1 = 6.5 kg, m2 = 4.2 kg, and h = 3.2 m, evaluate your answer to part (a), and (c) find the speed of each block when m1 has fallen a distance of 1.6 m. Figure P5.38