Physics, 21.10.2020 08:01 brittanyjacob8

A train is accelerating at a rate of 2.0 km/h/s. Its initial velocity is 20 km/h. What is its velocity after 30 seconds? PLEASE HELP

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 21:00, andybiersack154

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?

Answers: 1

continue

Physics, 22.06.2019 21:10, bri9263

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.

Answers: 2

continue

Physics, 22.06.2019 22:00, ybhques7

Should we celebrate the voyages of zheng he mini q answer key

Answers: 3

continue

Physics, 22.06.2019 23:40, Demondevilg

Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.

Answers: 3

continue

You know the right answer?

A train is accelerating at a rate of 2.0 km/h/s. Its initial velocity is 20 km/h. What is its veloci...