Which factors affect the resistance of a material? Check all that apply.

length

currer

thickness

temperature

voltage

Salt water is Denser than fresh water what ecosystems be most affected by this fact

Calculate the kinetic energy of a 100.0-kg meteor approaching the Earth at a speed of 10.0 km/s. Remember that 1 km = 1000 m.

Which of the following is the best way to decrease an object's acceleration? increase force decrease mass increase mass reduce friction

Assume it takes 5.00 minutes to fill a 50.0-gal gasoline tank. (1 U. S. gal = 231 in. 3). Calculate the rate at which the tank is filled in cubic meters per second.

How to find total momentum of the system?

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s