A train travels 140 km in 2 hours and 30 minutes. What is its average speed?

What influences the water movement

Compared to 48.0 km/h what would be the fraction of energy the car would have if it were traveling 24 km/h

A factor that influences your resting metabolic rate is

Yosef applies an input force of 50 N to a crowbar. The crowbar applies a force of 750 N to the lid of a crate. What is the mechanical advantage of the crowbar?

What is the difference between a hurricane and a typhoon

A sound wave traveling at STP has a period of. 0023 seconds. The wavelength of this sound is closest to 1) 1.4E5 2) 6.9E-6 3) 0.76m 4) 76m

Static charge develops on a substance as it acquires or loses protons due to friction. a. True b. False

A milk truck carries milk with density 64.6 lb/ft3 in a horizontal cylindrical tank with diameter 12 ft. (a) Find the force exerted by the milk on one end of the tank when the tank is full. (Round your answer to the nearest integer.) lb

Which human activity contributes to air pollution

Cooler stars age much faster than hotter stars true or false