Questions from College Physics

Q: How long does it take an automobile traveling in the left lane

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 40.0 km/h when the cars’ fron...

Q: A moving walkway at an airport has a speed υ1 and a

A moving walkway at an airport has a speed υ1 and a length L. A woman stands on the walkway as it moves from one end to the other, while a man in a hurry to reach his flight walks on the walkway with...

Q: A boy throws a baseball onto a roof and it rolls back

A boy throws a baseball onto a roof and it rolls back down and off the roof with a speed of 3.75 m/s. If the roof is pitched at 35.0° below the horizon and the roof edge is 2.50 m above the ground, fi...

Q: You can use any coordinate system you like to solve a projectile

You can use any coordinate system you like to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v( at an a...

Q: Towns A and B in Figure P3.35 are 80.

Towns A and B in Figure P3.35 are 80.0 km apart. A couple arranges to drive from town A and meet a couple driving from town B at the lake, L. The two couples leave simultaneously and drive for 2.50 h...

Q: In a local diner, a customer slides an empty coffee cup

In a local diner, a customer slides an empty coffee cup down the counter for a refill. The cup slides off the counter and strikes the floor at distance d from the base of the counter. If the height of...

Q: A father demonstrates projectile motion to his children by placing a pea

A father demonstrates projectile motion to his children by placing a pea on his fork’s handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose...

Q: Two canoeists in identical canoes exert the same effort paddling and hence

Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One paddles directly upstream (and moves upstream), whereas the other paddles...

Q: A rocket is launched at an angle of 53.0°

A rocket is launched at an angle of 53.0° above the horizontal with an initial speed of 100. m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 30.0 m/s2. At thi...

Q: Runner A is initially 4.0 mi west of a flagpole

Runner A is initially 4.0 mi west of a flagpole and is running with a constant velocity of 6.0 mi/h due east. Runner B is initially 3.0 mi east of the flagpole and is running with a constant velocity...