Physics

A book sits on a horizontal top of a car as the car accelerates horizontally from rest.If the coefficient static of friction between the book and the car top is 0.450,what is the maximum acceleration the car can have if the book is not to slip?

I remember when as a Electrical Engineering student at the University of Texas, one morning I looked in my mirror and saw my books and papers behind in the street. I forgot to put them in when unlocking the car. So goes all night studying.

The weight of the books is mg, so the maximum force of friction is mg*mu.
This is equal to m*acceleration.
set them equal, and solve for acceleration. Notice mass m divides out.

1. 👍 2
2. 👎 4
3. 👁 853
1. 4.41

1. 👍 3
2. 👎 6
2. Useless

1. 👍 0
2. 👎 3

Similar Questions

1. physics

A toy car runed off the edge of a table that is 1.225m high. If the car lands 0.400m from the base of the car to fall, a)how long does it take the car to fall 2(1.225)/-9.80=-0.25=0.5s b)what is the horizontal velocity of the car?

2. College Physics

a 1200kg car coasts from rest down a driveway that is inclined 20degrees. to the horizontal and is 15m long. how fast is the car going at the end of the delivery if.... (a) friction is negligible (book answer is 10m/s) (b) a

3. physics

several students are riding in bumper cars at an amusement park. the combined mass of a car A and its occupants is 250 kg. the combined mass of car B and its occupants is 200 kg. Car A is 15 m away from car B and moving to the

4. College Physics

You are on vacation in San Francisco and decide to take a cable car to see the city. A 6100-kg cable car goes 410 m up a hill inclined 16 ∘ above the horizontal. The system is the car and Earth. Determine the change in the total

1. physic

Starting from rest, a car accelerates at 2.5 m/s^2 up a hill that is inclined 5.4 ^\circ above the horizontal. how far the car travel horizontally in 15s?

2. physics

A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver sees a small gap between a van and an 18-wheel truck and accelerates with constant acceleration along the ramp and onto the freeway. The

3. physics

A car of mass 1200 kg starts from rest, accelerates uniformly to a speed of 4.0 m/s in 2.0 s and continues moving at this constant speed in a horizontal straight line for an additional 10 s. The brakes are then applied and the car

4. physics

Car A is travelling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind Car B when the drive of car A accelerates his car with an acceleration of2.4 m/s2. How long does it take Car A to overtake Car B?

1. physics

A 970-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 25.0 m/s. What is the average force exerted on the car during this time

2. physics

An older-model car accelerates from 0 to speed v in 10. s. A newer, more powerful sports car of the same mass accelerates from 0 to 4v in the same time period. Assuming the energy coming from the engine appears only as kinetic

3. Physics 30

an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exetred on the wheels by the road is 5600 N, what force must be resisting the motion of the car? use a free body diagram to illustrate your answer

4. Physics

A car starts from rest and accelerates unifomly at 3m/s^2. A second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5m/s^2. How long does it take the second car to over take the first car?