A skateboarder with a mass of 45 kilograms is riding on a skateboard with a mass of 2.5 kilograms. What should be the velocity of the skateboarder if she has to attain a momentum of 264 kilogram meters/second?

If the breakers at a beach are separated by 5 m and hit shore with a frequency of 0.3 Hz, at what speed are they traveling?

Define thermopile and peltiers?

What force is necessary to accelerate a 50kg box at 30 m/s2?

Break down of rock can be chemical or mechanical

You did 150 joules of work lifting a 120-newton backpack. how high did you lift the bag

Which of these is a property of most nonmetals? Question 3 options: poor conductors of both heat and electricity reactive lustrous appearance good conductor of heat, but not electricity malleable when a solid

Not all energy sources derive their energy from the sun. Choose the three from the list below that derive their energy from sources other than the sun. chemical heat light geothermal nuclear tidal

Suppose your car is equipped with tire pressure monitoring system (TPMS) and the tire pressure is 34.0 psi on a 98F day in california. You decided to take a road trp to Alaska where the temperature drops to 20 F.

Which sound would be loudest? O A. a wave with an amplitude of 1.0 OB. a wave with an amplitude of 0.1 OC. a wave with an amplitude of 0.5 OD. a wave with an amplitude of O

How much work is done when a 4.0-newton box is carried horizontally a distance of 2.0 meters at a constant velocity?