Lighter elements are combined to form the sun and stars. what is this process called? What are the two lighter elements? What product come from this reaction?

A ski lift has a one-way length of 1 km and a vertical rise of200m. The chairs are spaced 20 m apart, and each chair can seatthree people. The lift is operating at a steady spedd of 10 km/h.

Which of these objects would show the greatest parallax? a. the Sun b. Mars c. the Moon d. Polaris What is the distance an object would be from Earth if its parallax were one arcsecond? a. a parsec b. a light-year c. an arcminute d.

Allison (of mass 20 kg) is coasting in her wagon (of mass 20 kg) at a constant velocity of 7 m/s. She passes her mother, who drops a bag of toys (of mass 2 kg) into the wagon. What will happen to the speed of the wagon?

How do you calculate acceleration? A.) Acceleration equals change in velocity and time B.) Acceleration equals speed multiplied by time C.) Acceleration equals velocity D.) Acceleration equals distance divided by time

What are the variables in Gay-Lussac's law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

If you lift a five pound object 18 inches how many joules of energy did yo use?

A temperature of 20°C is equal to °F.

Technician A says that when a fuse has popped, it just needs to be replaced, since it performed its job. Technician B says that when a fuse has blown, the circuit needs to be diagnosed because the fuse was probably not the problem. Who is correct? A.

A car starts from rest and moves around a circular track of radius 37.0 m. Its speed increases at the constant rate of 0.440 m/s2. (a) What is the magnitude of its net linear acceleration 18.

A dog walks Along the ground. If the dog applies an action force on the ground, what is the reaction force?