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A physics instructor drives down to St. Louis to see his mom. On the way there, he travels the first half of the time at 600 km/hr and the second half the time at 950 km/hr Coming back, he drives the first half the distance at 600 km/hr and the second half of the distance at 950 km/hr 2) What is his average speed coming back from St Louis? Savg= 3) What is his average speed during the entire trip?
A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 5.50 m before falling back down again. find the total amount of time that the ball is in the air
Two particles having charges of 0.550nC and 4.95nC are separated by a distance of 1.90m. Where would the net electric field be zero
The original Ferris wheel, built by George Ferris, had a radius of 38 m and a mass of 1.9 X 106 kg. What force exerted on the rim of the wheel would have given such a torque
A projectile is fired at an upward angle of 45° from the top of a 308m cliff with a speed of 198 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)
(a) How far is the tortoise from the finish line when the hare resumes the race? (Please provide numerical answer in m) (b) For how long in time was the hare stationary?
April Moon set a record in flight shooting. In 1981 in Utah, she sent an arrow a horizontal distance of 950 m. What was the speed of the arrow at the top of the flight
The mass of each can be taken to be 37,000 . If the train is accelerating at on a level track, elucidate the tension in the coupling between the second and third cars? The car nearest the locomotive is counted as the first.
Find out the angle that the total acceleration of the car. the car at the moment the car completes the circle.
An FM radio station generates radio waves that have a frequency of 101.3MHz. What is the difference in wavelength between the waves emitted from the two stations
Omega resistor using a voltmeter having an internal resistance of 10.0 Omega. Elucidate what is the potential difference does the voltmeter measure across the 5.00 Omega resistor?
an other frame moves with a speed of 0.95 relative to the home frame. an object at rest in the other frame has a length
For a particular scientific experiment, it is important to be completely isolated from any magnetic field, What is the current in the current loop
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