Name:ID: A8. A1.8-kg block is released from rest at the top of a rough 30° inclined plane. As the block slides down theincline, its acceleration is 3.0 m/s? down the incline. Determine the magnitude of the force of friction actingon the block.4.2 Na.b. 3.0 N3.4Nd. 3.8 N2.3 NC.e.hp

Given values:- Mass of the block,(m)=1.8 kg ----(1) Inclined angle,(θ)=300 ----(2) Acceleration of…

Answered: A 1.8-kg block is released fror…

A 1.8-kg block is released fror incline, its acceleration is 3.0 on the block. a. 4.2 N b. 3.0 N с. 3.4 N d. 3.8 N e. 2.3 N

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 70PQ: A Suppose you place a block of mass M on a plane inclined at an angle . Show that the mass will...

See similar textbooks

Related questions

Q: 1. A roller coaster car starts from rest at the top of a track 30.0 m long and inclined at 20.0° to…

A: Given: The length of the track is 30 m. The inclination of the track is 20°. Introduction: A body…

Q: 6. A crate whose mass m is 250 kg rests on the bed of a truck that is moving at a speed v, of 100…

Q: A woodpecker's brain is specially protected from large decelerations by tendon-like attachments…

A: (a) initial velocity, u = 0.6 m/s final velocity, v = 0 m/s distance, s = 2 mm Let the acceleration…

Q: A block of mass equal to 7 kg moves down a frictionless plane with angle of 15°. What is the…

Q: A lawn mower is pushed at a constant velocity of 0.76m/s. The person pushes horizontally forwards…

A: Given, v=0.76 m/sF=80 N

Q: A skydiver jumps out of a helicopter and falls freely for 7.2 s before opening the parachute. (a)…

A: A skydiver falls freely for 7.2s

Q: 5. (Two body problem) A boy is running at a constant velocity of 7.20 m/s [E] to catch a bus which…

A: The boy has constant velocity v=7.2 m/s and he is at a distance s=36m from the bus when it starts…

Q: An object with a force accelerates as shown in the equations: F = F,i + Fj = () a = azî + a‚ĵ = ( a)…

A: Given, Fx=260N Fy=50N ax=37 m/s2

Q: A child is rolling a ball down a slide to his friend. The ball has a mass of 3 kg, and the slope of…

Q: A skydiver jumps out of a helicopter and falls freely for 4.0 s before opening the parachute. (a)…

A: Given that, A skydiver jumps out of a helicopter and falls freely for 4.0 s before opening the…

Q: 2. A crate is given an initial speed of 3.0 m/sup a 25° inclined plane. As (a) What is the…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 28º.) Calculate the minimum force F (in N) he must exert to get the block moving. What is its…

Q: 7. A fully loaded Boeing 747 with all engines at full thrust accelerates at 2.6 m/s?. It's minimum…

A: Given: Acceleration, a=2.6 m/s2 minimum takeoff speed vf = 70 m/s xi=0, vi=0 To determine a- time…

Q: 5. If the roller coaster starts from rest at A and its speed increases at a, = (6- 0.06s) m/s²,…

Q: 7. A fully loaded Boeing 747 with all engines at full thrust accelerates at 2.6 m/s². It's minimum…

A: Given that :v=70 m/sv →minimum takeoff speed

Q: 1. A loaded elevator, 2200 kg, supported by cables that can withstand a maximum tension of 28,000 N…

Q: The equation used to solve for final velocity is: v = Vo + at How can we rearrange this equation to…

Q: A 10-kg rock and a 20-kg rock are dròpped at the same time and experience no significant air…

A: Earth attracts every object with the same gravitational force of attraction and it is independent of…

Q: 2.75 .0. Look Out Below. Sam heaves a 16 lb shot straight up, giv- ng it a constant upward…

Q: Ex @ top of (30°) incline and slides a distance of ( 2m) down the incline in (1.5 s). [ Mx= 0.77]…

A: Given, Mass of the bock m = 3 Kg Angle of incline θ=30∘ Slide distance d = 2 m Time t = 1.5 s a)…

Q: S21: A jet lands on an aircraft carrier at a speed of 50 m/s. what is its acceleration if it stops…

Q: A 1200 kg car starts from rest and travels 100 m in a time of 10 seconds. A) What is the…

Q: A 12 kg- box is released from the top of an incline that is 5 m long and makes an angle of 50° to…

Q: d) A ball rolls off the edge of a cliff. The ball’s velocity is 27 m.s−1 just before it hits the…

A: Solution: Given that d). v=27 m/s e). F=2 N W = 7 N Ff = 3 N

Q: (Figure 1) shows an object's acceleration-versus-force graph. Suppose ao = 4.5 m/s². %3D Figure 1 of…

A: Given quantities: The value of 'a0' = 4.5 m/s2 It is known that if a force 'F' is acting on a body…

Q: 1) A WEIGHTIS DROPPED FROM A TOWER 640fH hign, In how many seconds and With what tveļoaty will.it'…

A: Part (1): Given:The height of the tower is 640 ft. The initial velocity of the object is 0 ft/s.

Q: 88.0 kg sprinter starts a race with an acceleration of 1.76 m/s2. If the sprinter accelerates at…

A: According to equation of motion s=ut+(1/2)at2

Q: (d) If the rope connecting A and B were cut, what would be the acceleration of C? (Ans: 1.54 m/s²)

Q: A skydiver jumps out of a helicopter and falls freely for 6.0 s before opening the parachute. (a)…

Q: 5. A white pony in the inner row of a merry-go-round is located 2.0 m from the center, while a black…

Q: Q7) A car moving at constant velocity travels 120 m in 5 seconds. If it then brakes and comes to a…

A: We are allowed to give the explanation of first question only which is given below. Please repost…

Q: 3. A 15 kg block is pushed from rest across the floor with a force of 51 N. A) What is the…

Q: 6. A box falls off the tailgate of a truck and slides a distance of 62.5 m before coming to a halt.…

Q: A 70 kg man drops to a concrete patio from a window only 0.55 m above the patio. He neglects to bend…

Q: A 15 kg block is pushed from rest across the floor with a force of 51 N. A) What is the acceleration…

Q: 200 N of force is applied to a 10 kg object. What is the magnitude of the objects acceleration?

A: Given : F = 200 N m = 10 kg

Q: A force of 1600 N acts parallel to a ramp to push a 300-kg piano into a moving van. The ramp is…

A: Force , F = 1600 NMass of piano , m = 300KgInclination of ramp ,θ = 20°

Q: 1. If the body starts from rest at A and slides 200 ft down the 30° incline, how far will it then…

Q: An object accelerates at 4m/s2 due to a 20N force applied to it. (a) What amount of force is needed…

A: Solution:- acceleration (a) = 4 m/s2 Force = 20 N we know that the newton second law of motion…

Q: What is the acceleration of a the BMW i8 Roadster that goes from 0 to 60 mph in 3.8 seconds? a) in…

A: ∆V = 60 - 0 = 60mph ∆t= 3.8 sec = 0.00105555 hr

Q: A skydiver jumps out of a helicopter and falls freely for 8.4 s before opening the parachute. (a)…

Q: 5. A speedboat starts from rest and accelerates at +2.01 m/s? for 7.00 s. At the end of this time,…

Q: A 1200 kg car moving at 5.1 m/s is initially traveling no completing a 90° right-hand turn to the…

A: The mass of the car is m = 1200 kg The car's initial velocity when a car traveling in the north…

Q: 5. A 1000 kg car starts from rest with a constant acceleration and reach a velocity of 10 m s-1 in 8…

A: Given: The mass of the car is 1000 kg. The initial velocity of thr car is 0 m/s. The final velocity…

Q: (i) what is the acceleration of the head? (ii) wrhat is this acceleration in g's? (iii) what…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: (I) A sprinter accelerates from rest to 9.00 m/s in 1.38 s. What is her acceleration in (a) m/s2;…

A: The expression for the acceleration is given as a=v-ut

Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

Name:
ID: A
8. A1.8-kg block is released from rest at the top of a rough 30° inclined plane. As the block slides down the
incline, its acceleration is 3.0 m/s? down the incline. Determine the magnitude of the force of friction acting
on the block.
4.2 N
a.
b. 3.0 N
3.4N
d. 3.8 N
2.3 N
C.
e.
hp

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

VIEW

Step 2

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 50kg rocket launched from the ground accelerates upwards at 15m/s2.a. What is the upwards force from the rocket’s engines? (recommend drawing the FBD first)b. It is launched from the ground. How fast will it be going after 7 seconds?c. What will be the height of the rocket at the 7 second point?
Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless planes (Fig. P5.90). A). Which way will the system move when the blocks are released from rest? B). What is the acceleration of the blocks? C). What is the tension in the cord?
A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. a. How long must a 500-N horizontal force act on the body to increase its velocity to 8m/s? b. How far will the body travel while the force is acting?
1)A shingle slides down a roof having a 30 angle and falls off with a speed of 2.0 m/s.a. How long will it take to hit the ground?b. Calculate the highest point reached by it. 2)A 20.0 kg trunk is pushed across the floor of a moving van by a horizontal force. If thecoefficient of kinetic friction between the trunk and the floor is 0.255, what is the magnitudeof the frictional force opposing the applied force?
1. In baseball, a pitcher can accelerate a 0.15-kg ball fromrest to 98 mi/h in a distance of 1.7 m. (a) What is the averageforce exerted on the ball during the pitch? (b) If the mass of theball is increased, is the force required of the pitcher increased,decreased, or unchanged? Graph and Explain.
The 125 kg rocket has an engine that generates a steady vertical force of 1720 N. A 15.5-N electrical power supply is placed on the floor inside this rocket. (a) find the rocket’sacceleration (b) As it achieves an altitude of 120 m, how hard does the floor push the powersupply?
5. A mass of 10kg sits on a level surface. One end of the surface is raised until the block begins to slide down the ramp at a constant velocity and angle of 20⁰. a. What is the coefficient of friction between the block and the incline plane? b. What is the weight of the Block,w?
John is building a frictionless track with a block (? = 20.0kg) sliding on it (no flying up). The block is initially at rest at point A, and it is pulled by an external force ? = 60.0N (with an angle ? = 25.0 ° from the surface of the track) over a distance ? = 3.50 to point B. There are no external forces on the block after point B and the block continues to slide along the track until the magnitude of its velocity is ?C = 0.700m/s at point C. What is the height ℎ of point C (relative to point A)?
Review. A block of mass m = 2.00 kg is released from rest at h = 0.500 m above the surface of a table, at the top of a = 30.0 incline as shown in Figure P5.101. The frictionless incline is fixed on a table of height H = 2.00 m. (a) Determine the acceleration of the block as it slides down the incline, (b) What is the velocity of the block as it leaves the incline? (c) How far from the table will the block hit the floor? (d) What time interval elapses between when the block is released and when it hits the floor? (e) Does the mass of the block affect any of the above calculations?
A Suppose you place a block of mass M on a plane inclined at an angle . Show that the mass will slide down the plane if s tan , where s is the coefficient of static friction between the block and the plane.
(a) Find the tension in each cable supporting the 6.00 102-N cat burglar in Figure P4.35. (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? Figure P4.35
. On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. One such catapult takes a 18.000-kg jet from 0 to 70 m/s in 2.5 s. (a) What is the acceleration of the jet (in m/s2 and g’s)? (b) How far dues the jet travel while it is accelerating? (C) How large is the force that the catapult must exert on the jet?