Answered: A 2kg brick is moving at a speed of 6…

Science

Physics

A 2kg brick is moving at a speed of 6 m/s. How large a force (in kN) is needed to stop the brick in a time of 7x10^-4

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 88AP: How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for...

See similar textbooks

Related questions

Q: Hi, I don't know if I was given enough or have too much uneccesary information to solve this…

A: First, apply momentum conservation, and solve for the velocity of the unit at point A along…

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: If a 1000-lb safe is pushed out of a tenth story window (100 ft above the ground), what is the speed…

A: Velocity of the safe when it hits the ground v2=u2+2asv=u2+2gh

Q: A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 2.40 × 1015 m/s2…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: The work done in accelerating a body equals the body's change in.. A. Momentum B. Kinetic energy C.…

A: Work done by a force can be represented as, Here, F, d, and θ represent the force, the…

Q: When starting a foot race, a 68.6 kg sprinter exerts an average force of 704 N backward on the…

A: Given: The mass of sprinter (m) = 68.6 kg. Force exerted F = 704 N. Time (t) = 0.813 s.

Q: A 0. 150kg glider slides on an ice pond with negligible friction with speed of 0.8 m/s. It has a…

Q: A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown…

A: Given:Mass of the object = 2 kgInitial speed of the object = 1 m/s

Q: Hulk is helping Natasha pull a 84 - kg box of weapons up a38 inclined plane with a velocity of 7.3…

A: in the question it is given that ,mass of the crate , m=84 kgθ =38oinitial velocity , u =7.3…

Q: Q10. ir the velocity of a moving car is halved, its kinetic energy would O Remain same O Double O…

A: Ans:- Kinetic Energy: Kinetic energy of an object is the energy that it possesses due to its…

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in…

A: Power is the rate of doing work.P=W∆t...(1) We have work done defined as W=F.S,.....(2) force…

Q: How large a force is required to accelerate a 1600 kg car from rest to a speed of 25 m/s in a…

A: Given: Mass, m = 1600 kgFinal speed, v = 25 m/sInitial speed, u = 0 m/sDistance, s = 200 mFind:…

Q: Calculate the final speed (in m/s) of a 111 kg rugby player who is initially running at 7.75 m/s but…

A: Given: mass of the player m = 111kg initial speed u = 7.75m/s…

Q: Mary is coasting on her bike at 12 m/s when she starts down a 500 m long slope that is 30 m high.…

Q: If an object with a mass of 1.5 kg changes it speed from 3.33 m/s to 7.93 m/s, what is its change in…

A: All the objects that move from one place to another have kinetic energy and the amount of energy…

Q: A stationary ball with 2.5 kg slides from 1.25 m , find the ball speed when it reaches 0.75 m, fig.…

A: Initially the ball is at rest, mass of the ball, m = 2.5 kg initial height of the ball, H1 = 1.25 m…

Q: A baseball traveling at a speed of 45 m/s has 95 J of kinetic energy. What is the mass of the…

A: Solution:- 1) The kinetic energy of an object of mass m and moving with velocity/speed v , is given…

Q: Quèstion 1 A 10 kg object is released at the top of a building 100 m high. If the force of air…

A: Given data, Mass of the object = 10 kg Height of the building = 100 m Air resistance = 10 N

Q: A particle of mass 2.5kg moves according to the equation x(t)=10t?, where x is in meters and t is in…

A: Given The mass of the particle is m = 2.5 kg. The equation for the distance is x(t) = 10t2. The…

Q: Tinkerbell has a velocity of 5 m/s [S] and a kinetic energy of 22.5 J, what is her mass? O 2.25 kg…

Q: A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81…

Q: wo books slide across a friction less surface. one book has a mass of 6.2 kg and it slides to the…

A: GivenFor book 1, sliding to rightm1=6.2 kg , u1=9.8 m/sFor book 2, moving to leftm2=3.8 kg ,…

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: A 1700Kg car moving at a speed of 20m/s comes to a stop after traveling a distance of 50m. What was…

Q: is the final speed?

Q: A car weighing 1.2 tons. Its engine generates a force of 2000 Newtons. Find the distance traveled by…

A: Given : m = 1.2 tons = (1.2)(1000) = 1200 kg F = 2000 N v = 27 m/s

Q: A 1500 kgkg car skids to a halt on a wet road where μk = 0.49. How fast was the car traveling if it…

Q: A 2.0- kg box is moving at constant speed of 2.0m/s on a frictionless horizontal floor. You apply a…

A: Given Mass of a bix = 2.0 kg box is moving at constant speed = 2.0m/s frictionless horizontal floor…

Q: assume the object has a mass of 0.55kg. calculate the gravitational potential energy and kinetic…

A: Given: The mass of the object is 0.55 kg. The height of the object is 4.99 m. The speed of the…

Q: A 500 gram cart rolls with negligible Fashion along a straight flight track at 2.5 m/s until it…

Q: 10. If a boy throws a 2.0 kg stone straight up into the air with a speed of 12 m/s just over the…

A: mass of stone = 2 kg initial upwards velocity (u) = 12 msheight of cliff (h) = 55 m

Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

Q: A 7.56kg red ball is rolled at a 6.5kg green ball. The red ball was moving with an initial speed of…

Q: Your friend throws a stone that has a mass of 4kg straight down from the top of a 175m tall building…

Q: A runner of mass 50kg and speed of 3m=s doesn't pay attention for a moment and slams into an…

Q: A lorry of mass 1000 kg is moving with speed 3 ms-1 when a 200 kg sack of rubbish is dropped…

Q: There are 2 cars. Assuming the first car has a mass of 1000 Kg, which has greater kinetic energy? a.…

A: given: mass of first car =1000 kg

Q: A 350-kg cart of a roller coaster is on top of the 80-m high track. What is the cart's GPE and KE at…

A: Given data: Mass (m) = 350 kg Initial height = 80 m Required: The GPE and KE at 15 m height from…

Q: What is the maximum speed of a 1000 kg roller coaster car at the bottom of a 97 m hill?

A: Given: mass of the roller coaster m = 1000Kg height of the hill h = 97m Find: Maximum…

Q: A baseball player exerts a force of 80N on a ball for a distance of 0.7m as he throws it. If the…

Q: A 50 kN truck travelling with a speed of 50 kph hits a lamp post and is brought to rest in 0.1 secs.…

A: The weight of the truck, W=50 kN=50000 N The mass of the truck, m=Wg=50000 N9.81 m/s2=5096.84 kg

Q: The Hulk (200kg of pure angry muscle)collides head-on with a truck (2500kg). If the Hulk was running…

Q: Body A has 9 times the kinetic energy of body B. Calculate the ratio of the speed of A to that of B…

A: Given data: Kinetic energy of body A (KEA) = 9KEB Mass of the body A (mA) = 5.0 kg Mass of the body…

Q: A particle of mass 0.6 kg is acted upon by a force F varies with position x as shown in the figure.…

Q: A 100kg werewolf slides 0.6m after being shot. If the coefficient of friction between the werewolf…

A: Scenario: A bullet hitting werewolf and let's him to slide on the ground in the direction of fired…

Q: 4) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: The total work done by the object will be the area under the force-distance curve. The area under…

Q: A 2kg rock is moving at a speed of 6m/s. What is the magnitude of the force needed to stop the rock…

Q: car with a mass of 1200kg is moving at speed of 19m/s The driver hits a parked van. The car comes…

A: Given- Mass , m = 1200 kg Initial speed , u = 19 m/s Final speed , v = 0 m/s Distance travelled…

Q: Denisse is playing a pinball machine. she notices that the 0.012 kg ball is shot from the plunger…

A: Given data: Mass of ball (m) = 0.012 kg Radius of circular path (r) = 0.22 m Centripetal force (Fc)…

Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

Question

A 2kg brick is moving at a speed of 6 m/s. How large a force (in kN) is needed to stop the brick in a time of 7x10^-4

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

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

How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for 15 meters?
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?
Compare the work required to accelerate a car of mass 2000 kg from 30.0 to 400 km/h with that required for an acceleration from 50.0 to 60.0 km/h.
A man in a sled, with a total mass of 125kg slides down a grassy hill and reaches a speed of 7 m/s at the bottom. If a pile of grass can exert a constant force of 225 newtons, how fast will the sled stop?
A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81 Newtons. If the frictional force between the table and the textbook is 3.12 Newtons and the textbook was initially at rest, what is the speed of the textbook after 2.18 seconds? Remember to give your answer in meters per second and to at least 3 significant figures.
A 62 kg trampoline artist jumps upward from the top of a platform with a vertical speed of 4.5 m/s. How fast is he going as he lands on the trampoline, 2 m below?
A pitcher throws a baseball with a velocity of 35m/s. If the ball has a mass of 0.145kg how much kinetic energy does the ball have? KE= 1/2 mv2
A 0.35 kg baseball is dropped from rest from a height of 3.85 m. How fast will it travel just before landing? Ignore friction and air resistance.
An object of mass ?=8.9 kg is free to move on a horizontal surface without any friction. It is initially at rest and starts moving under a net force of ?⃗=(3 N)?̂+(4 N)?̂. What is the object's speed in m/s after moving 1 meter?
A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is:
A stationary soccer ball of mass m = 0.76 kg is kicked with a constant force of F = 11 N. The woman's foot is in contact with the ball for t = 0.12 s. Write an expression for the speed of the ball vi as it leaves the womans foot. If the ball left the womans foot at at an angel of theta=45degrees relative to the horizontal, how high h did it go in meters?
How much force is needed to accelerate a 66kg skier at 2m/ms