12. An electric vehicle starts from rest and accelerates at a rate of 2.0 m/s² in a straigne line until it reaches a speed of 20 m/s. It then slows at a constant rate of 1.0 m/s until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle travel from start to stop?

Q: police car's acceleration is 2.80 m/s2m/s2

A: The velocity of police car vp=95km/h=95×1000/3600 m/s=26.4m/s The velocity of the speeder…

Q: An electron in a cathode-ray tube accelerates uniformly from 2.00 X 10ª m/s to 6.00 × 10%¸ m/s over…

A: Given that, Initial velocity u=2.00×104 m/s Final velocity v=6.00×106 m/s Displacement = 1.50 cm

Q: 2) An object starts from rest and travels at a speed of 5m/s for the first 5 seconds. It then rests…

A: Speed = distance /time  Distance = speed × time  Average speed = total distance travelled /total…

Q: A car in stop-and-go traffic starts at rest, moves forward 25min 8.0s, then comes to rest again.What…

A: The distance covered by the car in last 2.0 seconds can be calculated using given steps.

Q: 3. You wake up one morning to find yourself in a strange room with opaque walls, and no visible…

A: Write the second kinematic equation. Here, h is the height, u is the initial velocity, t is the…

Q: 13. When a 1984 Alfa Romeo Spider sports car accelerates in the x-direction at the maximum possible…

A:

Q: Two Occupy Wall Street protestors are going for a joy ride in a BMW stolen from a corporate…

A:

Q: 3. A car's velocity as a function of time is given by y2=a+br, where a = 3.00 m/s and b= 0.100 m/s .…

A: Subpart (a): Average acceleration of an object is the ratio of change of its velocity with respect…

Q: A car rounds the clover-leaf at 13 "/s as it enters the 400 meter-long merge zone. a) What…

A: Answer:-  + 0.990 m/s2 Given  Initial velocity (u) = 13 m/s  Final Velocity (V) = 31 m/s  Distance…

Q: ii. A man walks on a straight road from his home to market 2.5 km away with a speed of 5 km/h.…

A:

Q: A van and a drag racer both begin a race along a linear track at the same time and at the same…

A: Using the kinematic equation of motion, the distance covered by an object at constant acceleration…

Q: (a) How far is the train in first 30sec? (b) What is the average velocity of the train for the…

A:

Q: A steel ball is dropped onto a hard floor from a height of 1.50 m and rebounds to a height of 1.45…

A: According to question we need to find- Calculate its velocity just before it strikes the floor.…

Q: Q1. A truck driving on a paved road is capable of decelerating at a constant value of 5 m/s². (a) If…

A: Note:-  “Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A sprinter runs the length of a running track of length 150 m. To start, she accelerates at 5.0 m/s?…

A: Given data:  Total length of the running track = 150 m Acceleration (a) = 5.0 m/s2 for 2.0 s…

Q: Two hockey players are skating towards each other.  They are 50.0 m apart.  The first is…

A: The velocity of first player, v1, at any time t can be given using the equation of motion as,…

Q: The brakes are applied to a moving car, causing it to uniformly slow down. While slowing, it moves a…

A:

Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 1.67 meters above…

A: s = ut + 0.5 at^2 since the time taken to cover the 1m stick is 0.261 sec and the acorn falls under…

Q: An electric vehicle starts from rest and accelerates at a rate of 4 m/s2 in a straight line until it…

A: An electric vehicle starts from rest and accelerates at a rate of 4 m/s2 in a straight line until it…

Q: While entering a freeway, a car accelerates from rest at a rate of 2.81 m/s² of the situation and…

A:

Q: 9. A student took 15 minutes to cycle from his house to school. He starts from rest and reaches a…

A: Motion can be uniform or accelerated. Attributes like velocity, displacement, etc define motion. We…

Q: A dog runs at 21 km/h [N] for 5.0 min, slows to a stop over a period of 8.0 s, sniffs at a tree for…

A: The path covered by the dog is given below. Average velocity is given by v=total displacementtotal…

Q: the ball during 40 (d) Question 6. Suppose a car is traveling at +22.5 m/s, and the driver sees a…

A: Given:Initial velocity Acceleration Reaction time Required:The stopping distance measured from the…

Q: a car moving on a straight road with a=6-2t (0<t<6 ,containing 0 and 6);in t=0 the displacement and…

A: Denote the displacement &amp; the velocity at time t = 0 s with x0 &amp; v0 respectively.

Q: is on a street that has a posted speed limit of vm=75 km/hr and is traveling above the speed limit…

A: GivenSpeed limit, vm=75 km/hSpeed of driver above speed limit, vc=28 km/hDistance between driver and…

Q: An unmarked police car traveling a constant 95.0 km/h is passed by a speeder traveling 120 km/h.…

A:

Q: 12. Car B is traveling a distance d ahead of car A. Both cars are traveling at 60 "/s when the…

A: The minimum  distance  between the cars so  that they avoid Collision will be   Distance travelled…

Q: 4. A cat is resting on a lawn 25.7 m from a fence with a hole it in. A rabbit, hopping at a constant…

A: Distance of cat from the fence (d) = 25.7 m Constant velocity of rabbit (v) = 8.7 msAcceleration of…

Q: To stop a car, you require first a certain reaction time to begin braking, during which the car…

A: (a) the reaction time(T). (b) the magnitude of deceleration(a). Given, Case(1)Initial speedu1=50…

Q: Q1. A truck driving on a paved road is capable of decelerating at a constant value of 5 m/s². (a) If…

A:

Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…

A:

Q: 10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which…

A:

Q: Speedy Sue, driving at 32.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 165 m…

A:

Q: 1ving at 35.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 160 m ahead…

A: NOTE: As per guidelines, I can solve first question. If you need help with other question, kindly…