What is the mass of an object traveling at 20 m/s with a kinetic energy of 4000 J?

How far is the sun from venus if it takes 6 minutes for light from the sun to reach its surface. use 3 x105 km/s for the speed of light?

What are the 3 ways that an object can change its velocity?

A 0.540-kg bucket rests on a scale. Into this bucket you pour sand at the constant rate of 56.0 g/s. If the sand lands in the bucket with a speed of 3.20 m/s, (a) what is the reading of the scale when there is 0.

The ability of an object to vibrate by absorbing energy at its natural frequency is called?

The separation between two protons is increased by a factor of 2. How does the force between them change? Question 19 options: increases by a factor of 2 increases by a factor of 4 decreases by a factor of 2 decreases by a factor of 4 doesn't change

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

What is the middle layer of earth called

If 10 calories of energy are added to 2 grams of ice at - 30° C, calculate the final temperature of the ice. (Notice that the specific heat of ice is different from that of water.) T. F = -20° C -30° C 30° C 40° C

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

Write 5 sentences on the importance of including vegetables in your diet.