A 34 kg boy is riding his bicycle on the road. He exerts an 85 N force parallel to the road. If the acceleration of the bicycle is 1.9 m/s2, then what is the mass of the bicycle?

A.

11 kg

B.

15 kg

C.

34 kg

D.

45 kg

1. Tonya had a hard time deciding between the Big Burger and the Crispy Chicken sandwiches, her two favorites. She chose the chicken because she had more recently had a burger. What was her opportunity cost?

When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if re-chargeable?

Coal, oil, and natural gas have high potential energies, which makes them valuable energy resources. In order to benefit from the energy available in these fossil fuels, the potential energy is converted most directly into which type of energy? 1.

Explain what a spectroscope is and how it works

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Which best describes the speed of the ball as it is thrown straight up into the air and comes back down

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