A 20 kg bike accelerates at 10 m/s2. With what force was the person pedaling if friction

exerted a force of 100N?

A scuba diver shines a flashlight from beneath the surface of water (n = 1.33 such that the light strikes the water-air boundary with an angle of incidence of 37°. at what angle is the beam refracted?

Hello No. 1 dinleyin bide canbay & wolker - fersah dinleyin azıcık kafa bulun olum

In which object or place is convection most likely to transfer heat?

you toss an apple from a tree 5m horizontally. The Apple hits your friend on the ground that is 7m away from the tree. How fast did you throw the Apple in m/s? hello, answeerr

Which of the following types of waves is not part of the electromagnetic spectrum? A) microwaves B) gamma rays C) ultraviolet radiation D) radio waves E) sound waves

When a siren is approaching you, how does the wavelength of the waves reaching you compare to the actual wavelength that the siren emits?

In a harbor, you can see sea waves traveling around the edges of small stationary boats. Why does this happen?

Correct unit of speed

Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B says that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct? a. technician A only b.

A roller coaster track is 3,000 meters long. It takes 100 seconds to travel once around the roller coaster. Is the velocity constant throughout the trip? Explain.