Suppose a car is driving down the road at a speed of 15m/s . The car...
Suppose a car is driving down the road at a speed of 15m/s . The car hits the brakes, inducing an acceleration of -2.5m/s. How long would it take in seconds for the car to fully stop?
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Suppose a car is driving down the road at a speed of 15m/s . The
car...
Suppose a car is driving down the road at a speed of 15m/s^2. The car hits...
Suppose a car is driving down the road at a speed of 15m/s^2. The car hits the brakes, inducing an acceleration of -2.5m/s^2. How long would it take, in seconds for the car go fully stop.
A car driving 20m/s sees a deer in the road and brakes, slowing the car at...
A car driving 20m/s sees a deer in the road and brakes, slowing the car at a rate of -12 m/s^2. How long does it take the car to stop? If the deer is 10 meters from the car when it brakes, does the car hit it? Would the deer survive if the acceleration rate had been -15 m/s^2?
Your driving a car at a constant speed of 10 m/s. The total mass of the...
Your driving a car at a constant speed of 10 m/s. The total mass of the car and its contents its 1200kg. You apply the brakes and come to a smooth stop in 4.0 seconds. While coming to a stop, how large was the force applied by the road on the car? A. zero N B. 3000N C. 4500N D. 6000N E. 9000N Please anwser and explain. Thank you!
A car is traveling to the right with a speed of 2.0m/s on an icy...
A car is traveling to the right with a speed of 2.0m/s on an icy road when the brakes are applied. The car begins sliding with constant acceleration for 3.0m until it comes to a stop. How long does it take the car to slide to a stop? Answer using a coordinate system where rightward is positive. Round the answer to two significant digits.
You are driving to the grocery store at 25 m/s . You are 110 m from...
You are driving to the grocery store at 25 m/s . You are 110 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.70 s and that your car brakes with constant acceleration. -How far are you from the intersection when you begin to apply the brakes? -What acceleration will bring you to rest right at the intersection? -How long does it take you to stop? A rock is tossed straight up with...
A car is traveling down a hill that makes an angle of 17° with the horizontal....
A car is traveling down a hill that makes an angle of 17° with the horizontal. The driver applies her brakes, and the wheels lock so that the car begins to skid. The coefficient of kinetic friction between the tires and the road is μK = 0.53. (a) Find the acceleration of the car. (Take down the ramp to be the positive direction) (b) How long does the car take to skid to a stop if its initial speed is...
You are driving down the road at 15 m/s you step on the gas and speed...
You are driving down the road at 15 m/s you step on the gas and speed up with uniform acceleration of 2.5 m/s^2 for 0.80 seconds. If your tires have a radius of 34 cm, what is their angular displacement during this period of acceleration?
A person is initially driving a car east down a straight road. the magnitude of the...
A person is initially driving a car east down a straight road. the magnitude of the instantaneous acceleration is increasing with time and the direction of the acceleration is always to the east. the Speed of the car is:
22. Two cars are driving down a straight country road when the driver of the first...
22. Two cars are driving down a straight country road when the driver of the first car (traveling at speed vi v sees a deer crossing the road in front of her. She quickly applies her brakes, causing her car to slow down with a (negative) acceleration a--2a. The second car is a distance D behind her and is traveling at an initial speed v2 v. Its driver immediately applies his brakes as well-assume at the same time as the...
Driving down the road at a speed of 26.6 m/s, you suddenly notice a fallen tree...
Driving down the road at a speed of 26.6 m/s, you suddenly notice a fallen tree blocking the road a distance of 57.9 m ahead of you. You step on the brake pedal and decelerate at a constant rate. What must the magnitude of your acceleration be so that you will come to a stop 7.6 m in front of the tree?
22. Two cars are driving down a straight country road when the driver of the first car (traveling at speed vi v sees a deer crossing the road in front of her. She quickly applies her brakes, causing her car to slow down with a (negative) acceleration a--2a. The second car is a distance D behind her and is traveling at an initial speed v2 v. Its driver immediately applies his brakes as well-assume at the same time as the...
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