If object weighs 30 n on the earth whatvis its mass

Are we actually touching nothing but electrons in reality or can we actually feel things without the electron barier?

If Margo pushes a box 25 meters, using a force of 45 Newtons, and it takes her 15 seconds to do so, how much power is she using? A. 75 W B. 80 W C. 115 W D. 125 W

A student states that the kinetic energy of liquid molicules decreases as a liquid freezes. Is the student correct? Explain your answer.

What is another name for Kepler's third law

What layer acts like a giant magnet and what does it attract?

What perspective of dream interpretation is being offered? A. Freudian B. activation-synthesis C. Jungian D. motivation Not D

A high-speed train travels 480 km from Paris to Grenoble, France, at an average speed of 180 km/h. How long will it take to reach Grenoble? A. 0.66 h B. 3.8 h C. 0.38 h D. 2.7 h

Water has a specific heat of 4.186 J/g°C, and ethanol has a specific heat of 2.450 J/g°C. Based on this information, which best compares water and ethanol? It requires more heat to raise the temperature of a gram of ethanol by 1°C.

Try it A volleyball player's hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the ball?

Muscular strength is defined as: