how much heat energywill b needed to change the temperature of 275g of parrafin oil by 75k. specific heat capacity of paraffin oil is 2130jkgk

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Stronger surface waves cause greater rock motion and more damage True False

A child in a boat throws a 5.90-kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 28.0 kg and that of the boat is 35.0 kg.

Which has more inertia a shopping cart full or groceries or an empty shopping cart?

What does the symbol in an electron dot diagram mean

The particles in a surface water wave move back-and-forth only. Question 9 options: True False

Does the acceleration of a falling body change or is it constant

What can cause sediment to form on land? Only mechanical weathering rocks Only biological weathering rocks Any kind of weathering or rocks Melting of rock in the core

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s the magnitude of the car's acceleration is

An object that has kinetic energy must what?