How many minutes will it take you to finish a 5 km race at an average speed of 7.0m/s?

What is the mass of a soda can on a triple beam balance

Sometimes, when the wind blows across a long wire, a low-frequency "moaning" sound is produced. The sound arises because a standing wave is set up on the wire, like a standing wave on a guitar string. Assume that a wire (linear density = 0.

Is the Florida scrub a forest or grassland

The potential energy of two atoms in a diatomic molecule is approximated by U (r) = a/r^1/2-b/r^6, where r is the spacing between atoms and a and b are positive constants. a. Find the force F (r) on one atom as a function of r. b.

What are the units for the spring constant

A bird has a kinetic energy of 3 J and a potential energy of 25 J. What is the mechanical energy of the bird?

Material A has a higher thermal conductivity than Material B. Which material will transfer energy by conduction faster?

an electrical iron box having power 400w is operated in 10hours. what will be the energy consumed by the device in commercial unit?

True or False: If your gas pedal jams, you should turn the key to lock to lock the steering wheel.

Pylon cables in the National Grid have some resistance. Power (watts) = Current2 (amperes) x Resistance (ohms) Looking at the power equation above, can you explain why transmitting electricity at a very high voltage is beneficial?