A student is standing on a very steep hill, kicks a soccer ball horizontally with a speed of 15 m/s toward a student who is sitting on a level field 9.8 meters below. A. How long does it take the soccer ball to strike the ground?

B. If the second student catches the soccer ball at ground level, how far from the hill was she?

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?