What causes a solar nebula to initially bring to form a solar system

A water heater is operated by solar power. If the solar collector has an area of 6.39 m2, and the intensity delivered by sunlight is 550 W/m2, how long does it take to increase the temperature of 1.00 m3 of water from 19.4∘C to 72.1 ∘C?

A wagon is pulled at a speed of 0.40 meters/sec by a horse exerting an 1,800-newton horizontal force. what is the power of this horse?

A 35-kg boy is riding an 18-kg bicycle down a path. The bicycle is moving at 11 m/s.

Describe the energy transformations that occur when you bounce a ball?

What is the net force acting on a falling 1-kg ball if it encounters 2 n of air resistance?

A satellite is in a circular orbit about the Earth at a distance of one Earth radius above the surface. What is the speed of the satellite? (The radius of the Earth is 6.4 * 106 m, and G = 6.67 * 10-11 N⋅m 2 / kg2.)

What is the meaning of the washing motion of the younger monk? is it the same when dobbins does it?

A teacher pulls a box of books on a horizontal floor with a force of 290 N directed 40.9 degrese above the horizontal. the coefficiant of kinetic friction between the box and the floor is 0.184. the mass of the box and books is 44.5 kg.

The dark colored belts on jupiter are brighter than the surrounding regions and the light colored zones when viewed in infrared or heat radiation because

Which is a characteristic of centripetal acceleration? It is directed outward from the center of a circle. It is directed inward, toward the center of a circle. It results in an object moving faster. It results in an object moving slower.