Which of the following can Sierra use to describe the relationship between ΔL and Young's modulus?

A 1,600 kg train car rolling freely on level track at 16 m/s bumps into a 1.0 * 103 kg train car moving at 10.0 m/s in the same direction, and the two latch onto each other and continue together. What is their final speed? A.) 16 m/s B.) 6.0 m/s C.

Kayakers wax their boats to a) reduce the work output b) reduce the weight of the kayak c) reduce their input force d) reduce the speed the boat traveles in water

In order for a ship to stay afloat, its buoyant force must be

Which hemisphere is experiencing summer in july?

A block of mass m=1.2 kg is held at rest against a spring with a force constant k=730N/m. Initially the spring is compressed a distance d.

Technician A says a pull to the right during braking could be caused by a defective metering valve. Technician B says a pull to the left could be caused by a defective proportioning valve. Which technician is correct

Can Radiation transfers energy by moving matter.

Which of the following decreases the dissolving rate of a solid in water?

Why might a plant that normally grows in one environment not grow well in a different environment?

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