If a person does 3 sets of pushups at 15 reps a set, how many total pushups has that person done?

How much work is done if an object moves 4.5 m in has 12 Newtons of force acting on it

If you have 55 grams of different substances, the most dense substance would have which volume? Select one: a. 10 m3 b. 1 m3 c. 100 m3 d. 0.10 m3

Michael Scott is driving through the parking lot and accidentally hits Meredith as she's walking to her car. If his car makes contact with her for 0.5 seconds and creates an impulse of 30 N*s, what force did his car strike Meredith with?

Which of the following is NOT true? a. The higher the moment of inertia, the greater the resistance to changes in angular velocity. b. The higher the moment of inertia, the slower something will roll down an incline. c.

How does a heat pump prove the law of conservation of energy?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?

What is the result of a mutation during replication A: the strands are different B: the strands are identical c: the strands are broken D: the strands are continuous