If a substance has a high specific heat, is it easy or difficult to change the temperature of that

substance?

A cone with a mass of 6g has the radius measuring 5cm and a height of 2cm. What is its density?

A very strong, but inept, shot putter puts the shot straight up vertically with an initial velocity of 11.1 m/s. How long does he have to get out of the way if the shot was released at a height of 2.27 m, and he is 1.96 m tall?

Why car speed is not considered as car velocity?

A ray of light strikes a thick sheet of glass (n = 1.5) at an angle of 25° with the normal. find the angle of the refracted ray within the glass with respect to the normal.

A bouncing ball eventually comes to rest. What happened to the ball's kinetic and potential energy? A. It has been permanently destroyed, reducing the total energy of the universe. B.

A scientist has found a new drug that appears to provide weight loss in humans without dieting. The scientist has tested the drug on thousands of people and has found a few side effects.

If there are 20 Earthworms in a garden that covers 5 square meters, what is the population density of the earthworms? A. 20 Earthworms B. 4 C. 100 Earthworms per square meter D. 4 Earthworms per square meter

How are AC and DC generators different? In AC generators, commutators produce alternating current. In AC generators, no commutators or slip rings are used. In DC generators, slip rings produce direct current.

A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed. The object falls with an acceleration of 4.00 m/s2 downward when it is falling downward at 70.0 m/s.

If a tank contains water 4 m deep, what is the pressure at the bottom of the tank? (Neglect the atmospheric pressure.)