A rock is dropped from a height of 1.87 m. How much time will it take to hit the ground?

Q: A motorist drives north for 48.0 minutes at 75.0 km/h and then stops for 20.0 minutes. He then…

A:

Q: An object moves along the positive x-axis with a speed of V, =4 m/s for 2 seconds, then moves along…

A: Given: The velocity V1 is 4 m/s. The time duration is 2 s. The velocity V2 is 7 m/s. The time…

Q: What is the time required for a object going to go for my speed of 12 m/s to 45 m/s with a…

A: Given Initial velocity of object u = 12 m/s Final velocity of object v = 45 m/s Accleration of…

Q: A car travels at 30 m/s for 2 minutes. How far has it travelled in this time? 3 600 m

A: Given : Speed of a car (v) = 30 m/s Time taken (t) = 2 minutes = 2 × 60 = 120 s

Q: A greyhound accelerates at 2 m/s^2 for 7s. How far does it travel and what is its velocity?

A:

Q: An arrow is shot vertically upward and then 1.92 s later passes the top of a tree 42.7 m high. How…

A: Given The height of the tree is h=42.7 m. The time taken to reach the top of the tree is t=1.92 s.…

Q: A car is moving along a straight line with an initial velocity of 11.80 m/s. Its acceleration is…

A:

Q: 4. A ballplayer catches a ball 3.3 s after throwing vertically upward. With what speed did he throw…

A:

Q: A woman walks a distance of 250 m with an average speed of 1.5 m/s. How long did it take her to walk…

A: Distance walked by woman (d) = 250 m Average speed of woman (v) = 1.5 ms To find : The time taken by…

Q: A car accelerates with the acceleration a(s) = k · s^n m/s^2, where s is distance in meters, k =…

A: Given Acceleration a = ksn k = 1.190 n = 0.731 final speed v = 1.75 m/s

Q: A ball player catches a ball 3.2 s after throwing it vertically upward with an initial velocity of…

A: The given data are: t=3.2 su=16 m/s Here, t is the time and u is the initial velocity.

Q: A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the…

A: Given: The motorist traveled 160 km at speed of 80 km/h. The motorist traveled 160 km at speed of…

Q: An engineering physics student conducted an experiment on free fall motion by launching a toy rocket…

A: Introduction: Free fall motion is the example of motion in straight line. During free fall body is…

Q: Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/hr2 along a straight road.…

A:

Q: A stunt car drives into a canyon during a movie scene. If the car drives horizontally off the 218-m…

A: Given,Height of the cliff, h = 218 mit lands at a distance of 88 m horizontally away from the base…

Q: A brick is dropped from rest from a height of 5.0 m. How long does it take for the brick to reach…

A:

Q: A ball is dropped from the top of a building of height 45 m. How long does it take to reach the…

A: Given data:  Initial velocity (v0) = 0 m/s Height (h) = 45 m Acceleration due to gravity (g) = 10…

Q: Mr. Mangan runs 50 m north in 3 seconds and then runs 30 m east in 1.5 seconds. What is his average…

A: Given data:  Mangan runs 50 m North in 3 s Then 30 m East in 1.5 s Required: Average speed and…

Q: If a flea can jump straight up to a height of 0.670, how long is it in the air?

A:

Q: A world-class runner can run half a mile in a time of 1 min and 42 s. What is the runner's average…

A:

Q: To pass a physical fitness test, Massimo must run 1000 m at an average rate of 4.00 m/s. He runs the…

A: Given information : Average speed = 4 m/s Distance = 1000m Time required to cover 1000 m at average…

Q: A car goes from rest, up to 108km/h in 10 seconds. What is its acceleration in m/s^2? * O 3 m/s2…

A: The velocity of the car is, v=108 kmh1000 m1 km1 h3600 s=30 m/s

Q: A motorist drives north for 48.0 minutes at 75.0 km/h and then stops for 20.0 minutes. He then…

A:

Q: You throw a ball straight up with an initial velocity of 15.9 m/s. On the way up it passes a tree…

A: Given: u=15.9 m/sh=6.6 m

Q: A car can accelerate at a rate of 5 m/s^2. What is the distance the car travel before it stops if…

A: Given the intial velocity of the car u = 25 m/s Acceleration of the car is a = 5 m/s² Let the…

Q: A student walks 2 km in 30 minutes. What is the student's average speed in km/hr?

A: Given data:  Distance (d) = 2 km Time (t) = 30 minutes Required: Average speed in km/hr

Q: image472

A: Given: The athlete walks  East = 10m South = 2m

Q: A rock is dropped from a 154-m-high cliff. How long does it take to fall (a) the first 77.0 m and…

A:

Q: An object is moving at speed of 30 m/s on a straight line when it starts to slow down at a rate of 5…

A: 75.6 m

Q: Question 10 A jogger travels 40 m along a path in 20 seconds. What is the jogger's average speed?…

A: Answer:- (B) 2 m/s  Given  Distance (S) = 40 m  Time taken (t) = 20 s  Average speed (Vav) = ?  We…

Q: Wil-E-Coyote drops a bowling ball off a cliff to try to catch the Roadrunner. The cliff is 132 m…

A:

Q: A stone is launched straight upward from the ground, reaches a maximum height of 30.0 m, and then…

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

Q: A car travelling at 300 m/s came to a complete stop in 15 seconds. What is the car's acceleration?…

A: Given , initial velocity(u) = 300m/s.As the car is coming to rest, final velocity(v)=0m/sTime…

Q: Over a distance of 280 meters, an automobile going initially at +6.0 m/s accelerates evenly at +0.10…

A:

Q: A rock is dropped from a 100-m-high cliff. How long does it take to fall (a) the first 50 m and (b)…

A: Given:  height,h = 100 m

Q: Two cars A and B are heading east from the same starting point. Car A moves at 80 km/h at constant…

A: Given: The speed of car A is VA = 80 km/h  Speed of car B is VB = 110 km/h  To Find: The time in…

Q: If a train can accelerate at 0.10 m/s˄2, how far must it travel to increase its speed from 1.0 m/s…

A: Given: Acceleration of train, a = 0.1 m/s2 When velocity increased, final velocity, v = 6 m/s…

Q: A cannon ball is shot vertically upward with an initial velocity of 200 ft/s followed by a second…

A:

Q: To visit your friend, you first drive on a highway at 55 mi/h for 1.6 hours and then drive on a…

A: Given first velocity v1= 55 mi/h for time t1 = 1.6 hour another velocity v2= 20 mi/h for time t2 =…

Q: A toy car starts from rest and reaches a speed of 5.13[m/s] in 1.13[s]. How far did the car travel…

A: The initial speed of the toy car, v0 =0 m/s  The final speed of the toy car, v=5.13 m/s Time…

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 –