A horse performs 15000 joules of work pulling a wagon for 20 seconds what is the horses power

A moon orbits which celestial object

Suppose you were far from a planet that had a very strong gravitational field, and an emission line spectrum source on the surface of the planet. when you observe a similar source in your own spaceship, the wavelength of the light is 656.3 nm.

1. A book has a mass of 5.5 kilograms. What is the weight of the book on Earth (g = 9.8 N/kg) ?

If you were making a tool used to handle live electrical wires which class of materials would you most likely use?

What's the difference between the speed and velocity of an object?

What is a mealworm a worm, an insect or an amphibian

What is the kinetic energy of a vehicle that has a mass of 3,500 kg and is moving at 40 m/s

Why did the wright brothers construct their own wind tunnel?

John heats 1 kg of soup from 25 °C to 70 °C for 15 minutes by a heater. How long does the same heater take to heat 1.5 kg of the same kind of soup from 20 °C to 80 °C? The energy output per unit time by the heater is constant.

What is a light-year equal to? A. the distance light travels in one year B. the time it takes light to travel 10 trillion kilometers C. the mean distance between the Sun and the center of our galaxy D.