Sitting in a chairlift, Rebecca has a gravitational potential energy of 5,997.6

J. If Rebecca has a mass of 51 kg, how high off the ground is the lift?

OA) 6 m

OB) 12 m

OC) 118 m

OD) 612 m

Example of a single displacement reaction is

Why do some kinds of ice on Earth change the sea level when they melt while others do not?

What is impulse? How does this relate to momentum?

You have a 1.55 kg block of silver at room temperature of 20 °C. Silver melts at 962°C. How much heat energy would be needed to just melt the silver? (Hf (silver) = 111 kJ/kg). Show all work. Answer:

How much momentum does a 10 kg object have when is moving 30 m/s

An anion is an atom that has lost electrons. True or False?

Question: Jane, looking for Tarzan, is running at top speed (4.5 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.

Kim holds a pinwheel in the air and says it can be used to model a source of energy. Identify the type of energy Kim's pinwheel models. Explain the type of energy source used.

An example of a stable system

What causes chemical weathering? a. damage caused by animals and plants c. natural acids b. ice wedging d. physical factors