When you touch a hot object, a reflex controls your movements. but how do you know the object was hot?

A 24 volt battery is connected to a 3Ω resistor and a 5Ω resistor in series. What is the current in the circuit?

In a 100. m race, Lisa crosses the finish line after 11.3 s. Accelerating uniformly, Lisa took 1.85 s to attain maximum speed, which she maintained for the rest of the race. What was Lisa's acceleration?

What best describes an atom

Anna applies a force of 19.5 newtons to push a book placed on a table. If the normal force of the book is 51.7 newtons, what is the coefficient of kinetic friction? A0.01 B0.20 C0.38 D0.48

What are polarized waves

Which of the following is NOT a way to increase energy efficiency? a. putting insulation in your home c. using public transportation b. recycling d. using low heat lightbulbs

A 20kg child lifts his 0.5kg ball of the floor to put it away on his bookshelf 1.5 meters above the ground. How much work has he done?

When you touch a hot object, a reflex controls your movements. but how do you know the object was hot?

When a force held against the object is released, the potential energy is converted into what type of energy?

A factor that determines the inertia of an object is