A 50kg hiker is standing on the edge of a cliff. Find the hiker's gravitational potential energy if the cliff is 30m high. (Show the equation, show your work and answer with units.)

Allison needs to graph the yearly average snowfall in Alaska. She should use a: A) bar graph B) line graph

Molarity? what is it

Which is a sub-atomic particle? A) compound B) electron C) isotope D) neuron

A force of 6.00 newtons on a car bumper makes an angle of 28.5 degrees with the ground. What is the vertical component of this force vector?

Two angles are supplementary. The first angle measures 60° what is the measurement of the second angle?

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite