Which scientist first stated the relationship between buoyant force and weight of displaced fluid

Does evaporation lose energy or gain it

Cleo stated that light travels through air in straight paths, and when it moves from air to water, light changes direction, speeds up, and bends toward the normal. Which statement best describes Cleo's mistake? A.

If the resulting trajectory of the charged particle is a circle, what is ω, the angular frequency of the circular motion?

1. In terms of momentum conservation, why does a cannon recoil when fired?

A car, moving along a straight stretch of highway, begins to accelerate at 0.0323 m/s 2. It takes the car 63.3 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s.

Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

Explain and give an example of newtons 3rd law of motion

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.

F you are skateboarding and have to make a sharp turn to avoid a branch, in which direction are you accelerating?