Physics Physics Practice Problems Solutions Library

Average Velocity Solutions Library

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28 solutions

Average Velocity

Q. In the year 1178. five monks at Canterbury Cathedral in England observed what appeared to be an asteroid colliding with the moon, causing a red glo...

Solved • May 21, 2020

Average Velocity

Q. Distances in space are often quoted in units of light years, the distance light travels in one year.How many meters is it to Andromeda, the nearest...

Solved • May 12, 2020

Average Velocity

Q. What is the average velocity (in kilometers per hour) of a cart that travels 100 km in 5 hours?

Solved • Apr 29, 2020

Average Velocity

Q. What is the velocity (in cm/s) of an object which moves 44 m in 2 s?

Solved • Apr 29, 2020

Average Velocity

Q. The motion sensor depends on which of the following for its operation?1. The emission of a short burst of sound waves.2. Doppler shift measurements...

Solved • Apr 28, 2020

Average Velocity

Q. 1. The two measurements necessary for calculating average speed are A) distance and accelerationB) acceleration and timeC) velocity and distanceD) ...

Solved • Apr 24, 2020

Average Velocity

Q. In an 8.00km race, one runner runs at a steady 11.8 km/hr and another runs at 15.0 km/hr. How far from the finish line is the slower runner when th...

Solved • Apr 23, 2020

Average Velocity

Q. Part AHow much time does it take light to travel from the moon to the earth, a distance of 384,000 km?Part BLight from the star Sirius takes 8.61 y...

Solved • Apr 14, 2020

Average Velocity

Q. An object moves 15 meters in 3 seconds. What is its velocity (in m/s)?

Solved • Apr 8, 2020

Average Velocity

Q. If a baseball pitcher throws a fastball at a horizontal speed of 160km/h, how long does the ball take to reach home plate 18.4m away?

Solved • Sep 25, 2019

Average Velocity

Q. A fast-food restaurant uses a conveyor belt to send the burgers through a grilling machine.If the grilling machine is 1.3 m long and the burgers r...

Solved • Oct 29, 2018

Average Velocity

Q. If you are driving 130 km/h along a straight road and you look to the side for 2.5  s, how far do you travel during this inattentive period?

Solved • Oct 29, 2018

Average Velocity

Q. A particle is at x1 = 3.4 cm when t1 = −5.4 s and is at x2 = 8.0 cm when t2 = 5.6  s .(a) What is its average velocity?(b) Can you calculate its av...

Solved • Oct 29, 2018

Average Velocity

Q. A rolling ball moves from x1 = 3.4 cm to x 2 = -4.2 cm during the time from t 1 = 3.0 s to t2 = 5.1 s. What is its average velocity?

Solved • Oct 29, 2018

Average Velocity

Q. According to a rule-of-thumb, every five seconds between a lightning flash and the following thunder gives the distance to the flash in miles.Assum...

Solved • Oct 29, 2018

Average Velocity

Q. A certain audio compact disc (CD) contains 783.216 megabytes of digital information. Each byte consists of exactly 8 bits. When played, a CD player...

Solved • Oct 29, 2018

Average Velocity

Q. If you used only a keyboard to enter data, how many years would it take to fill up the hard drive in your computer that can store 83 (83109 ) of d...

Solved • Oct 29, 2018

Average Velocity

Q. Starting from the front door of a ranch house, you walk 60.0 m due east to a windmill, turn around, and then slowly walk 40.0 m west to a bench, wh...

Solved • Oct 29, 2018

Average Velocity

Q. A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon).You may want to review (Pages 6 - 7) . For related prob...

Solved • Oct 29, 2018

Average Velocity

Q. A maser is a laser-type device that produces electromagnetic waves with frequencies in the microwave and radio-wave bands of the electromagnetic sp...

Solved • Oct 29, 2018

Average Velocity

Q. A rocket carrying a satellite is accelerating straight up from the earths surface. At 1.25 s after liftoff, the rocket clears the top of its launc...

Solved • Oct 29, 2018

Average Velocity

Q. In an experiment, a shearwater (a seabird) was taken from its nest, flown a distance 5160 km away, and released. It found its way back to its nest...

Solved • Oct 29, 2018

Average Velocity

Q. A particle moves according to the equation x 5 10t 2 where x is in meters and t is in seconds. (a) Find the average velocity for the time interval ...

Solved • Oct 29, 2018

Average Velocity

Q. A person takes a trip driving with a constant speed of 89.5 km/h except for a 22.0-min rest stop. If the person's average speed is 77.8 km/h (a) ho...

Solved • Oct 29, 2018

Average Velocity

Q. One drop of oil falls straight down onto the road from the engine of a moving car every 5 s. Figure OQ2.1 shows the pattern of the drops left behin...

Solved • Oct 29, 2018

Average Velocity

Q. Assume there are 100 million passenger cars in the United States and the average fuel efficiency is 20 mi/gal of gasoline. If the average distance ...

Solved • Oct 29, 2018

Average Velocity

Q. Assume it takes 7.00 min to fill a 30.0-gal gasoline tank.(a) Calculate the rate at which the tank is filled in gallons per second.(b) Calculate th...

Solved • Sep 24, 2018

Average Velocity

Q. A ball is thrown against a wall and bounces back toward the thrower with the same speed as it had before hitting the wall. Does the velocity of the...

Solved • Jan 13, 2017