Suppose a 60.0 kg person was in a vehicle that was traveling at 26.1 m/s ( about 60 mph) at the moment it hit a concrete wall. The velocity a person equals that of the car both before and after the crash, and the velocity changes in 0.20 Sketch the problem a) What is the person's momentum in the traveling car. b)What the person's momentum in the car after it hits the concrete wall? c) What is the average force exerted on the person

hail is a solid form of precipitation composed of large, layered ice particles called pellets that often have spherical shapes. this phenomenon occurs during thunderstorms in the could type known as cumulus

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the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2