Which of the following has the highest frequency? A. gamma raysB. UVC. IRD. microwaves

Force equals blank times acceleration

During a science experiment, your teacher drops a tennis ball out of a window. The ball hits the ground 3 seconds later. (a) What was the ball's speed when it hit the ground? Ignore air resistance.

How does a blocked ear canal cause hearing loss?

A horse pulls a cart along a flat road. Consider the following four forces that arise in this situation.

What type of wave is the highest on the electromagnetic spectrum?

An aircraft is in a steady level turn at a flight speed of 200 ft/s and a turn rate about the local vertical of 5 deg/s. Thrust frm the engine is along the flight direction.

Sally travels by car from one city to another. She drives for 30.0 min at 80.0 km/hr, 12.0 min at 105.0 km/hr, and 45.0 min at 40.0 km/hr, and she spends 15.0 min eating lunch and buying gas. A. Determine the average speed for the trip. B.

Does parallax affect the precision of a measurement that you make

If a semi-truck decreases its speed from 10 m/s to 5 m/s, its new kinetic energy is:

A force of attraction/repulsion due to the spin of electrons