Alexander has a mass of 70 kilograms. his apartment is on the second floor. 5 meters yo from ground level. How much work does he do against gravity each time he climbs the stairs to his apartment.

A bicycle speeds up as it moves along a flat road. What happens to the bicycle's gravitational potential energy during this time? 1. It decreases. 2. It increases. 3. It remains the same.

What is the measure of a change in an objects velocity?

What is the relationship between quantity of heat gained or lossed by a body with its temperature.

What is the temperature of a gas in which the atoms are moving very, very slowly? Question 9 options: cold hot room temperature

When we model a pendulum, we only include the force of gravity and the force of tension on the idealized string (or other contact force which serves to change the direction of motion of the pendulum). This idealized pendulum will swing forever.

A concave mirror has a focal length of 11 cm. What is its radius of curvature?

Assume each tick mark represents 1 cm. Calculate the total displacement from 0 if an object moves 3 cm to the left, then 7 cm to the right, and then 6 cm to the left. The object moves cm to the left. What is the total distance the object travels? cm

A sound wave has a frequency of 510 Hz in air. Which of these is closest to the wavelength of this sound? (The speed of sound in air is 343 m/s.

The diagram below shows the process of distillation of saltwater into pure water. Where is the pure water in the diagram? a. A b. B c. C d. D

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems