A test car starts from rest on a horizontal circular track of 90-m radius and increases its speed at a uniform rate to reach 115 km/h in 14 seconds. 90 m COD

Q: Determine the practical stopping distance (ft) for a road with speed limit of 53mph and grade of…

A: The third equation of motion is  v2 = u2 + 2 a s  where,  u is the initial velocity, v is the final…

Q: when i take the train to work, i travel (20km)/(h)faster than if i drive. It takes half an hour more…

A: Given:- The train travels 20 km/h faster than the driving speed.  The time the driving takes to…

Q: The minimum distance required to stop a car moving at 35.0 mi/h is 40.0 ſt. Whhat is the minimum…

A: Recall Vf2=Vi2+2ad Here Vf=0 in both cases.

Q: A car travels 120 m in 5.0 s at constant velocity. If it then breakes and comes to a stop in 4.0 s…

A: Given data The distance traveled by car is: d = 120 m The time for which car travels at the constant…

Q: A ball, released from rest, takes 4.00s to roll down a straight, 12.0m long, ramp(inclined plane).…

A: Given,

Q: A sphere is fired downwards into a medium with an initial speed of 27 m/s. If it experiences a…

A:

Q: An automobile traveling 95 km/h overtakes a 1.30-km-long train traveling in the same direction on a…

A: SOlution: given that V of car = 95 km/h V od train = 75 km/h d = 1.3 km

Q: A car going initially 60 mi/hr hits the brakes and skids to a stop in 4 seconds. What is the…

A: GivenInitial velocity of car, u=60 mi/hrTime taken to stop, t=4 s

Q: 7.A motorist drives north for 35.0 min at 85.0 km/h and then stops for 15.0 min. He then continues…

A:

Q: A motorist saw a humps 33 m away at a speed of 14.5 m/s. He immediately slams on the brake and…

A: Given : motorists saw hump = 33 m away             Initial speed = 14.5 m/s            decelerate, a…

Q: A helicopter flies 240 miles in 2 hours 30 minutes. Calculate the average speed, in mph, of the…

A:

Q: 12–35. A freight train starts from rest and travels with a constant acceleration of 0.5 ft/s². After…

A: The freight train starts from the rest and travels with constant acceleration as below. Constant…

Q: A car approaching a turn in the road has its speed decreased from 50 mi/hr to 30 mi/hr while…

A:

Q: (a) An object is thrown horizontally with 25 m/s from a 300 m building. Compute the (i) time taken…

A:

Q: An alpha particle (the nucleus of a helium atom) travels along the inside of a straight hollow tube…

A: Length of tube (d)= 2 m Speed of the alpha particle as it enters the tube (u) = 1.0×104 msSpeed of…

Q: Convert 31 mph to m/s. Round to the nearest hundredth.

A:

Q: A jet airplane reaches  693./kmh on a certain flight. What distance does it cover in 5.0min?

A: Given  Speed = 693 km/h Time = 5 min = 5/60 = 1/12 hours

Q: The battleship US Tennessee is 110 miles due south of the destroyer USS Alaska and is sailing north…

A: In this question we are given that The battleship US Tennessee is 110 miles due south of the…

Q: A girl swims the length of a pool and back in 28.0 s.The pool is 21.6 m long, and the girl's speed…

A: It is given that length of pool is 21.6 m and girl takes 28 sec to take one full lap ( A point to B…

Q: What maximum height, in meters, will be reached by a stone thrown vertically straight upward if it…

A: Let us consider a stone is thrown vertically straight upward having initial speed (u) in…

Q: Find its acceleration.

A: Given data; Train speed=40 km h-1Where,  It start from a railway station and moving with uniform…

Q: Estimate the distance covered by a car traveling at 62 mph for 3 hours and 50 minutes.

A: Given The velocity of the car is v=62 miles/hr. The time taken by the car is t=3 hr 50 min.…

Q: A car accelerates from 75 km/h to 115km/h in 5 seconds to overtake a lorry. Calculate the…

A:

Q: 3. A bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board,…

A:

Q: 16. The floor area of a Boeing 707-230 is 106 m2. Express this area in ft2. 17. Convert a speed of…

A: 16.  To convert m2 to ft2. Note: 1 m=3.28 ft, so 1 m2=3.28084 ft×3.28084 ft=10.7639 ft2 The area of…

Q: An express train passes through a station. It enters with an initial velocity of 22.6 m/s and…

A: Given, initial velocity = 22.6 m/s a = -0.16 m/s2 length of station = 211 m

Q: A van traveling at a speed of 32.0 mi/h needs a minimum of 44.0 ft to stop. If the same van is…

A: Given:-  A van traveling with the speed of u= 32 mi/h. The minimum distance it gets before stopping…

Q: Don't provide hand writing solution

A:

Q: In a slap shot a hockey player accelerates the puck from a velocity of 10.00 m/s to 50.0 m/s in the…

A:

Q: 37) A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?

A:

Q: In a slap shot, a hockey player accelerates the puck from a velocity of 8.00 m/s to 40.0 m/s in th…

A: Given: The initial velocity of the puck is 8 m/s. The final velocity of the puck is 40 m/s. The time…

Q: 9) A car travels around an oval racetrack at constant speed. Is the car accelerating? If so at what…

A: Solution:

Q: A particular bullet train accelerates and decelerates at the rate of 4 ft/s². Its maximum cruising…

A: Since you have posted a question with multiple sub parts, we willprovide the solution only to the…

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.