Suppose that an object's acceleration functions is given by a=8t+5. the objects initial velocity 4, and the initial position is 12. find the object's displacement as a function of time.

A ball falls for 9.0 s increasing its kinetic energy by 2700. If the force acting on the ball in 6.0 N find the following quantities: Change in velocity: Average velocity: initial velocity: Final velocity: Initial momentum: Final momentum:

80 km por hora em metros por segundo

Momentum___ is the product of an object's mass and velocity.

Any good and bad insulators of thermal energy, hot or cold, and why?

Copper has a density of 8900kg/m³. Calculate the mass of 2.8m³ of copper in kilograms.

Describe how mass affects the time required for an object to reach the ground from a given drop height.

A wire of length 25.0 cm carrying a current of 4.21 mA is to be formed into a circular coil and placed in a uniform magnetic field B with arrow of magnitude 5.55 mT. Suppose the torque on the coil from the field is maximized.

Compare the weight of a mountain climber when she is at the bottom of a mountain with her weight when she is at the top of the mountain. In which case is her weight larger? a. Both are the same. b. She weighs four times as much at the top. c.

You recently won a bicycle race that was 100 km in distance. The race took you two hours to complete. What was your average speed?

A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.