A 98 kilogram man is accelerating forward at a rate of 1.2 m/s2. What is the unbalanced force necessary to produce the movement?

Two positions of the sun, moon, and Earth are described below: Position A: Moon is between the sun and Earth Position B: Moon and sun are at right angles to each other relative to Earth Which statement is true regarding the type of tides that can

A lab cart with a mass of 15 kg is moving with constant velocity, v, along a straight horizontal track. A student drops a 2 kg mass into it from directly above, and the cart continues moving.

Homes built on the sides of hills face the greatest risk of being destroyed by wind erosion true or false this is due tomorrow

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

How could a lightbulb near an electromagnet, but not touching it, be lit? Is ac or dc required? Defend your answer.

An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is. If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

How does the law of conservation of energy apply to machines? -Machines create energy from scratch. -Machines consume energy until no energy remains. -Energy transferred to a machine equals energy transferred from it.

As you turn up the volume on your mp3 player you are increasing

Which event would lead to an overpopulation of a species within a food web A. The grass was eaten by the rabbits stopped growing B. The population of wolves who ate the rabbits decreased C. The grasshopper were affected by the diseased grass D.

Which of the following is true A) land heats less rapidly than water B) land heats more rapidly than water C) land reaches higher temperatures than water D) both b and c