A motorboat traveling on a straight course slows uniformly from 60km/h to 40km/h in a distance of 50m. What is the boat's acceleration?

Q: What is the average velocity of car who travels  500m in 10 seconds.?

A: Given : Distance traveled by car (d) = 500 m Time taken (t) = 10 seconds

Q: A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s in the same direction as the…

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Q: A man jogs halfway to his destination at 8 km/h and walks the rest of the way at 6 km/h. What is his…

A: let's say that destination is 2x km away. therefore total distance to be covered is 2x Average Speed…

Q: A car is moving at a speed of 10 m/s, so if its speed is doubled due to uniform acceleration within…

A: Given data The velocity of the car is given as u = 10 m/s. The time interval is given as t = 10 s.…

Q: If the initial velocity of a car is 5 m/s, and the final velocity is 10 m/s in 5 s, then the…

A: we know the relation,         v= u + atwhere,     v= final velocity                   u = initial…

Q: If a vehicle begins at rest and gets up to 72m/s in 16 seconds, what would the vehicle's…

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Q: How far will a runner travel running at 12 m/s for 1 minute (60 seconds)?

A: Given: Speed = 12 m/s and Time = 1 minute = 60 seconds

Q: When spiking a volleyball, a player changes the velocity of the ball from 4.6 m/s to -24 m/s along a…

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Q: An object dropped from a cliff falls with a constant acceleration of 10 m/s?. Find its speed 5 s…

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Q: A light plane must reach a speed of 31 m/s for takeoff. How long a runway is needed if the…

A: Given information:Final required speed (v) = 31 m/sAcceleration of the plane (a) = 3.2 m/s2Initial…

Q: A train is 200 m long runs at 50 m/s. Calculate the time ?

A: Write the given values with the suitable variables. d=200 mv=50 m/s Here, d is the distance and v is…

Q: A ball dropped from a helicopter takes 1.6 s to fall the final 35 m. From what height was itdropped?

A: The initial velocity when it has to still fall 35m is

Q: An object moving along a line has its velocity and acceleration pointing in opposite directions.…

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Q: A person walks up a stalled 20 m long escalator in 80 s. When standing on the same escalator, now…

A: When the escalator is stalled, calculate the speed (v1).

Q: The driver of a car traveling at 110km/h slams on the brakes so that the car undergoes a constant…

A: Given: The initial speed of the car is 110 km/h. The time taken by the car is 4.5 s.

Q: If an object is thrown straight up and reaches a height of 20 m, what was the initial speed of the…

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Q: A car slows down uniformly from a speed of 90km/h to 30km/h in 9minutes. How far did it travel in…

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Q: A golf ball is thrown downward at a speed of 10 m/s. If its velocity just before it hits the ground…

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Q: A motorist travels for 2h at 70 km/h and 1h at 100 km/h. What is her average speed for the trip? *

A: The initial speed, u=70 km/h   The initial time taken, t1=2 h   The final speed, v=100 km/h   The…

Q: a certain airplane has a velocity of 60 m/s, and running with a constant acceleration of 12 m/s ^ 2,…

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Q: A swimmer travels at 0.8 m/s heading south across a small lake. At the same time, a second swimmer…

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Q: What is the acceleration of a car that maintains a constant velocity of 25 mi/hr East for 10.0…

A: The acceleration is given by a=∆v∆t

Q: A stone is released from a height of 180 m, reached the ground with the speed of 60m/s. How long did…

A: height of stone, s= 180 m final velocity of stone near ground, v=60 m/s let t be the time taken

Q: Assume the accleration of the object is a(t) = −32 feet per second per second. (Neglect air…

A: Given- Acceleration a=−32 ft/s2 Initial speed u= 60 feet/second

Q: What is the acceleration of a car that maintains a constant velocity of 20 m/s for 10 seconds?

A: Given data:  Velocity (v) = 20 m/s, constant Time (t) = 10 s Required: The acceleration of the car

Q: A motorist travels for 2 h at 80 km/h and 2 h at 100 km/h. What is her average speed for the trip? *

A: A motorist travels for 2 h at 80 km/h and 2 h at 100 km/h. What is her average speed for the trip?

Q: A bullet is fired with a muzzle velocity of 600 m/s. If the length of the barrel is 750 mm, what is…

A: Given data: Muzzle velocity, V=600 m/s Length of the barrel, L=750 mm=750×10-3 m=0.750 m Our…

Q: If a car is driving with a velocity of 30m/s, how long will it take to travel 220 m?

A: Given data The velocity of car is v = 30 m/s. The distance travelled by car is d = 220 m. The time…

Q: A car travels along a highway in a straight line with a speed of 30 m/s and then reaches 50 m/s, in…

A: Answer:-  Given  Initial Speed (u) = 30 m/s  Final speed (V) = 50 m/s  Distance (S) = 180 m  Time…

Q: A ball is thrown vertically downward from the edge of a high cliff with an initial velocity of 25…

A: Initial velocity of ball is u = 25 ft/s = 25/3.281 = 7.62 m/s Time traveled by the ball is t = 1.5 s…

Q: If the velocity and acceleration of an object are in the same direction,

A: Acceleration is rate of change of velocity

Q: A boat is rowed at a speed of 5 km/hour. How much time will it take to row a distance of 40 km?

A: we know that speed =distancetime

Q: The bartender slides an empty glass mug down the counter which accidentally slides off and hits the…

A: Given, Height of counter, h=0.8 m Horizontal distance, d=0.5 m Along y-axis:…

Q: What is the average speed in kilometers per hour for a runner that runs a distance of 5 km in a time…

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Q: A stone is thrown upwards with initial velocity of (20 m s), the height that stone will reach would…

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Q: When a car is moving in reverse, backing from a drive way, the driver applies the brakes. In what…

A: when the car is moving in reverse gear and the driver applies the brake, the car will slow down .…

Q: An airplane reaches a velocity of 80 m/s when it takes off. If the runway is 1 km in length, what…

A: Acceleration can be found by using equation of motion .

Q: What is the initial velocity of a car that reached 32 m/s [S] in 3.4 s at rate of 2.6 m/s^2 [S]?

A: The relation between final velocity, initial velocity acceleration and time is given as, v=u+at

Q: A ball is thrown vertically upward with a speed of 4.9 m/s. What is the time of the flight?

A: As per guidelines, i am solving first part of question , Please post other question seperately.

Q: (( What is the average velocity of a man who runs forward at 8 m/s for 9 s and back again at 5 m/s…

A: We’ll answer the first question . Please submit a new question specifying the one you’d like…

Q: will an object move in one second if its average speed is 5 m/

A: average speed v= 5 m/s t= 1 s

Q: How far can a cyclist travel in 1.5 hours (h) if his average speed is 12 km/h?

A: We know distance(d)=average speed×time so, d = Vavg.× t

Q: If the velocity and acceleration of an object are in the same direction, _____________

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Q: In a motion with constant acceleration the velocity is reduced to zero in 5 seconds and after…

A: Write the expression for kinematic relation for final velocity

Q: A coin was tossed vertically straight upward with initial velocity 4.6 m/s. As the coin reaches…

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Q: what is the velocity of an object that traveled a distance of 1000 m due south in 50 s?

A: There are two types of physical quantities- scalar quantities and vector quantities. The scalar…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –