Students are completing a lab in which they let a lab cart roll down a ramp. The students record the mass

The sun is part of which type of galaxy? a. irregular b. elliptical c. central d. spiral

What's a good question for v dt in physics & answer

A string, 68 cm long and fixed at both ends, vibrates with a standing wave that has 3 antinodes. the frequency is 180 hz. what is the wave speed?

A boat moves with a speed of + 2.5 m/s in a direction 25° north of east. If the mass of the boat is 15,000 kg, what is the momentum in the northward direction? A. + 15,848 kg-m/s B. + 33,987 kg-m/s C. + 37,500 kg-m/s D. + 339,865 kg-m/s

Describe 1 way to reduce the shortage of food for a growing human population.

Large amounts of water that quickly infiltrate soil on a sloped surface can A. slow down the effects of mass movement by making the soil thicker and more resistant to flow B. hold soil particles together and reduce the stress on the soil C.

Our Sun radiates 4 X 10^26 Joules of energy each second it shines. Calculate how many 50 megaton hydrogen bomb explosions would be needed to produce the same 4 X 10^26 Joules of energy that the Sun radiates in one second.?

What was Operation Overlord? a. the code name for the Allied invasion of Normandy b. the code name for the Axis invasion of France c. the code name for the project to build atomic bomb d.

A 2.44 x 10^3 kg car requires 5.3 kJ of work to move from rest to some final speed. During this time, the car moves 27.4 m. Neglecting friction, find a) the final speed b) the net horizontal force exerted on the car

Keiko is solving a math problem. Which part of her brain is she using to add and subtract?