Explain the difference between balanced forces and action and reaction forces.

A descending elevator of mass 1,000 kg is uniformly decelerated to rest over a distance of 8m by a cable in which the tension is 11,000 N. The speed vi of the elevator at the beginning of the 8 m descent is most nearly?

A frog has a genetic mutation in its skin cells that causes part of its skin to turn orange. The frog will not pass this genetic onto its offspring because

A 52.5-turn circular coil of radius 5.35 cm can be oriented in any direction in a uniform magnetic field having a magnitude of 0.455 T. If the coil carries a current of 25.3 mA, find the magnitude of the maximum possible torque exerted on the coil.

Does the cereal or the milk go first?

The electric current running through the wire coil in an electric motor exerts force directly onto

A 242-g block is pressed against a spring of force constant 1.62 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal.

Groups of the periodic table correspond to elements with a the same color b the same atomic number c similar chemical properties d similar number of neutrons

If a child ran into the road 65 to 70 feet ahead of your vehicle, what is the highest speed from which you could stop with good brakes before hitting him?

Which of the following describes a response to external stimuli? a rabbit runs away from a fox that is chasing it a woman drinks water when she is thirsty a boy eats food when he is hungry a person yawns when oxygen levels in the blood are low

Why do moon phases repeat about every 28 days