Troy pushes on a car for 7 seconds, during which he applies an impulse of

2000 kg•m/s. What force does he apply to the car?

Who is considered the father of atomic theory? Rutherford Thomson Dalton Democritus

What mass, in grams, of aluminum fins could 2571 J of energy heat from 15.73 ∘C to 26.50 ∘C? Aluminum has a specific heat of 0.897 (J/g) ⋅∘C. Express your answer to three significant figures.

Based upon what you have learned in the previous lesson, Risk Factors and Behaviors, write an essay of no less than 200 words on health behaviors, risk factors, and prevention of coronary artery disease (CAD) through exercise.

Which statements does the Second Law of Thermodynamics support? 1. The usable energy in the universe is decreasing. 2. The usable energy in the universe is increasing. 3. The energy of the universe is being destroyed. 4.

What is the speed of sound?

What do radio waves and microwaves have in common? A. Both have shorter wavelengths than visible light. B. Both are located to the right of visible lights on the spectrum. C. Both have higher frequencies than visible light. D.

How long can you keep string cheese in the fridge?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?