There are two boxes on either side of a pulley. One weighs 7.5kg and falls 4.5m in 1.25s. Find that box's acceleration and tension force, and the other box's mass.

The number of times that a wave vibrates in a unit of time is called A. amplitude B. frequency C. wavelength D. interference ... ?

An object which has a mass of 70 kg is sitting on a cliff 10 m high. Calculate the object's Potential energy. Given g = 10m/s2 Question 16 options: a) 7,000 Joules b) 3,500 Joules c) 70 Joules d) 35 Joules e) 700 Joules

What are five features that erosion forms along a river?

A weight suspended from a spring is seen to bob up and down over a total distance of 20 centimeters twice each second. 8. What is the frequency? 9. What is the period? 10. What is the amplitude?

Which of the following is the most correct statement about a gas? A - a gas is not affected by changes in pressure B - a gas holds its shape C - a gas has very little thermal energy D - a gas takes the shape of its container

You are going to develop some photographic film that involves a chemical reaction between the developer, which you will mix yourself, and a chemical on the surface of the film.

Would time travel mean that parallel universes would be created off our linear time sequence to ensure the universe doesn't collapse itself because of significant events being drastically changed in the way it shapes the universe?

What is the central core of hair

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

What does a hurricane hunter do