What is the most important safety rule in cycling?

What did the results of photoelectric-effect experiments establish? A) Electrons are emitted as soon as low-intensity, high-frequency light hits a metal surface. B) Electrons are never emitted if low-intensity light waves strike a metal surface.

How o astronomers gather information to establish the hubble law?

If a track athlete runs an 800 m race at a constant speed of 2m/s, how long will it take her to win the race?

Consider a box sitting on the floor. If you applied 275 Newtons of force horizontally to the right and the frictional force was 25 Newtons, What would be the magnitude and direction of the net force?

How much force is acting on a 150g object in free fall

tessa bought stock in a restaurant for $287.00 her stock is now worth $401.80 what is the percentage increase of the value of Tessa's stock?

Withholding Judgment on the mentally Ill is wise because It saves you from embarrassing yourself often people have disorders that don't affect you then you can try to understand what a person is experiencing all of the above

A 1200 W refrigerator, a 1500 W electric frying pan, and a 200 W lamp are plugged into the same outlet in a 15 A, 220 V circuit. (these devices are in parallel when plugged into the same socket.) What current (in A) is drawn by refrigerator?

1. Calculate the total resistance for a 650 ohm, a 350 ohm, and a 1000 ohm resistor connected in series.

What is the study of motion of objects, and related concepts of force and energy