A worker uses a cart to move a load of bricks weighing 680 N a distance of 10 m across a parking lot. If the worker pushes the cart with a constant force of 209 N, what amount of work does he do?

Anytime forces are are unbalanced what is the result?

When is the force on a current carrying wire in a magnetic field at its strongest

How does a steam turbine differ from a steam engine?

Reflection and abssorption prevent some

An object slides without friction in a bowl shaped like a hemisphere. It is released from rest at one edge of the bowl, slides through the bottom, and then slides up the other side before stopping right on the edge of the bowl.

Describe the possible long term impact of a catastrophic event

Calculate the mass defect of the helium nucleus 42He. The mass of neutral 42He is given by MHe=4.002603u.

A transparent film laminated to a fabric is identified in the study material as a. stretch fabric. b. PVC. c. a skin. d. two-faced fabric

Technician A says that all friction and steel plates in a clutch pack should be replaced during and overhaul. Technician B says that the automatic transmission fluid cooler should always be flushed when a unit is rebuilt or replaced.

Cold water (cp = 4180 J/kg·K) leading to a shower enters a thinwalled double-pipe counterflow heat exchanger at 15°C at a rate of 1.25 kg/s and is heated to 60°C by hot water (cp = 4190 J/kg·K) that enters at 100°C at a rate of 4 kg/s.