Luke pulls a sled using a force of 65 N for a distance of 25 m across level ground. The rope Luke pulls forms an angle of 25° with the ground. About how much work does Luke do on the sled? 250 J 690 J 1,500 J 1,600 J

Is the atmosphere good or bad for astronomers trying to use telescopes

If a wave is generated in a Slinky and the wave hits a wall, the reflected wave will be

Thermal conductors don't have to be hot to transfer heat. Explain a situation when an ice cube would still transfer heat to another object it is in contact with.

A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2.4 ft/s. (a) how rapidly is the area enclosed by the ripple increasing when the radius is 4 feet? the area is increasing at ft2/sft2/s.

What city was destroyed by an earthquake in 1923?

The water in the plumbing in a house is at a gauge pressure of 350,000 pa. what force does this cause on the top of the tank inside a water heater if the area of the top is 0.9 m2? (ignore atmospheric pressure.)

Which of the following is an example of quantitative data? A) The dog slept for 2 hours B) The dog has white feet C) The dog has soft fur

A particle moves along a circle with radius R, so that the tangential component of its acceleration is constant. At t = 0 the velocity of the particle was equal to zero. Find (a) the normal component an of the acceleration as function of time.

What is body dysmorphia?

Which of Newton's laws explains why your hands get red when you press them hard against a wall? A. Newton's law of gravity B. Newton's first law of motion C. Newton's second law of motion D. Newton's third law of motion