a squirrel with a mass of 4.5 kg sits on a branch that is 13 m off the ground. what is the gravitational potential energy? The acceleration of gravity is 9.8 m/squared

3. A force is exerted on a positively-charged particle that moves the particle in the direction opposite to that of an electric field.

Which kind of star is most likely to be found in the halo?

How is blood flow related to lung function during exercise? Blood vessels are dilated to increase the amount of oxygen carried in the blood, and the lungs work harder to meet the body's oxygen demands.

An electric fence displays a warning sign about voltage and amperage of the fence. How would amperage and voltage affect the power of the fence?

Which is the most common use for infrared waves? to determine relative distance to provide heat to carry cell phone conversations to transmit signals

A clock moves past you at a speed of 0.9 c. How much time passes for you for each second that elapses on the moving clock? 0.436 s 1.15 s 2.29 s infinity

A 0.18-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick's tension is 19 N.

Which are examples of transverse waves? Check all that apply. earthquake P-waves earthquake S-waves radio waves sound visible light X-rays

To lift a car, you use a hydraulic lift filled with a fluid that has density of 1 1200 kg/m3. The radius of one half of the lift is 0.5 meters and the diameter of the other half of the lift is 2.5 meters.

Charlie runs an auto repair and mechanic shop. A hot rod has come in with mass 1500 kg requiring a repair. He needs to raise the car using a hydraulic lift on a piston (Piston A) having a radius of 25 cm.