1) ) A car is travelling at 37. m/ s. The driver hits their brakes and...
1) ) A car is travelling at 37. m/ s. The driver hits their brakes and decelerates at 4.5 m/ s^2. How much distance does the car need to stop?
2) Suppose a child pulls a wagon horizontally. The child exerts a force of 51. N and there is frictional force of 18 N acting on the wagon, which opposes the motion. The mass of the wagon is 17.6 kg. (a) Draw a free body diagram for the wagon. (b) Determine the acceleration of the wagon.
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1) ) A car is travelling at 37. m/ s. The driver hits their
brakes and...
Suppose a car is traveling at +17.6 m/s, and the driver sees a traffic light turn...
Suppose a car is traveling at +17.6 m/s, and the driver sees a traffic light turn red. After 0.315 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
A car is travelling at 20m/s on a horizontal road. The brakes suddenly are applied and...
A car is travelling at 20m/s on a horizontal road. The brakes suddenly are applied and the car skids to a stop in 40 s with a constant acceleration. a) Draw a free body diagram for the car? b) Write newton's second law in the vector form and project it on the reference system. c) What is the coefficient of kinetic friction between the tires and road?
A car has a mass of 1500 kg. If the driver applies the brakes while on...
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N. If the car is moving at 22 m/s, what is the shortest distance in which the car can stop safely?
A driver coasting at 38 m/s suddenly hits his brakes causing his speed to decrease by...
A driver coasting at 38 m/s suddenly hits his brakes causing his speed to decrease by 5 m/s every second. How many meters does the car travel before coming to rest?
An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 12.0...
An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 12.0 s. What distance does the car travel? a. 180 m b. 750 m c. 360 m d. 150 m
A car has a mass of 1500 kg. If the driver applies the brakes while on...
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N Part A If the car is moving at 25 m/s, what is the shortest distance in which the car can stop safely? Express your answer with the appropriate units. ? Value Units
11. A driver traveling at 27.8m/s tries to stop the car and finds that the brakes...
11. A driver traveling at 27.8m/s tries to stop the car and finds that the brakes have failed. The emergency brake is then pulled and the car comes to a stop in 130 m. Find the car's deceleration.
A car of mass 875 kg is traveling 30.0 m/s when the driver applies the brakes,...
A car of mass 875 kg is traveling 30.0 m/s when the driver applies the brakes, which lock the wheels. The car skids for 5.60 s in the positive -direction before coming to rest. (a) What is the car's acceleration? (b) What magnitude force acted on the car during this time? (c) How far did the car travel? [Ans: ()-536 m/s (b) 4690 N(c) 84,0 m]
009 10.0 points The driver of a car traveling at 36.3 m/s ap- plies the brakes...
009 10.0 points The driver of a car traveling at 36.3 m/s ap- plies the brakes and undergoes a constant deceleration of 1.28 m/s How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.27 m? Answer in units of rev
009 10.0 points The driver of a car traveling at 43.7 m/s ap- plies the brakes...
009 10.0 points The driver of a car traveling at 43.7 m/s ap- plies the brakes and undergoes a constant deceleration of 1.59 m/s. How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.22 m? Answer in units of rev.
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N Part A If the car is moving at 25 m/s, what is the shortest distance in which the car can stop safely? Express your answer with the appropriate units. ? Value Units
11. A driver traveling at 27.8m/s tries to stop the car and finds that the brakes have failed. The emergency brake is then pulled and the car comes to a stop in 130 m. Find the car's deceleration.
A car of mass 875 kg is traveling 30.0 m/s when the driver applies the brakes, which lock the wheels. The car skids for 5.60 s in the positive -direction before coming to rest. (a) What is the car's acceleration? (b) What magnitude force acted on the car during this time? (c) How far did the car travel? [Ans: ()-536 m/s (b) 4690 N(c) 84,0 m]
009 10.0 points The driver of a car traveling at 36.3 m/s ap- plies the brakes and undergoes a constant deceleration of 1.28 m/s How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.27 m? Answer in units of rev
009 10.0 points The driver of a car traveling at 43.7 m/s ap- plies the brakes and undergoes a constant deceleration of 1.59 m/s. How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.22 m? Answer in units of rev.
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