What is the minimum energy required to lift an object weighing 200 newtons to a height of 20 meters

In a pith ball experiment, the two pith balls are at rest. The magnitude of the tension in each string is |T|=0.55N, and the angle between each string and a vertical line is θ=27.33∘.

Assuming no air resistance, all projectiles have

Explain objects in space motion. How do they move? What affects their motion?

Which statements did both Aristotle and Ptolemy assume? Check all that apply.

Is the earth flat or round

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.