Protons have a blank change

What force is required to give an object with mass 2000 kg an acceleration of 3.5 m/s2

The device shown below contains 2 kg of water. The cylinder is allowed to fall 800 m during which the temperature of the water increases by 2.4°C. Some amount of water is added to the container and the experiment is repeated.

Look at the figure above. Which position of the earth represents an equinox? A. End of summer B. Beginning of winter C. Beginning of autumn D. Middle of spring

What is a saturated solution? In your own words not Google's

A 5.4 g lead bullet moving at 261 m/s strikes a steel plate and stops. If all its kinetic energy is converted to thermal energy and none leaves the bullet, what is its temperature change? Assume the specific heat of lead is 128 J/kg · ◦ C.

In the study that the FBI did on examining the physical characteristics of hair, what percentage of the "matches" were not really matches at all?

Evaporation only occurs at the surface of a liquid

Which of these substances has the highest pOH? 0.10 M HCl, pH = 1 0.001 M HNO3, pH = 3 0.01 M NaOH, pH = 12

A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much power is she using? A. 40 W B. 55 W C. 70 W D. 75 W

How is volume calculated directly and indirectly