The operating potential difference of a light bulb is 120 V. The power rating of the bulb is 70 W. (a) Find the current in the bulb. A (b) Find the bulb's resistance.

What are the two major conditions associated with obesity? 1) hear disease and diabetes 2) diabetes and sickle cell anemia 3) sickle cell anemia and color blindness 4) color blindness and heart disease

Are spring oscillations wave transverse or longitudinal

The Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? A) Element B) Atom C) Electron D) Molecule

Your family is moving to a new home. While lifting a box 1.5 m straight up to put it on a truck, you exert an upward force of 200 N. Calculate the amount of work you did. a) 300 J b) 201.5 J c) 198,5 J d) 133 J

If a rock climber accidentally drops a 52.5-g piton from a height of 325 meters, what would its speed be just before striking the ground? ignore the effects of air resistance.

What is a lenticular (S0) galaxy? A galaxy with a disk and central bulge like a spiral galaxy, but with no spiral arms A galaxy with a smooth brightness profile, lacking the central bulge and disk of a spiral galaxy A spiral galaxy with fuzzy and

Which process causes wells on land to become saline, making them unusable for drinking water? A. Erosion B. Echo sounding C. Eutrophication D. Groundwater infiltration

A farmer uses a tractor to pull a 150 kg bale of hay up a 15∘ incline to the barn at a steady 5.0 km/h. The coefficient of kinetic friction between the bale and the ramp is 0.40. Part A What is the tractor's power output?

Identify the conditions for an elastic collision in a closed system. Check all that apply. Energy is conserved. Velocities may change. Momentum is conserved. Kinetic energy is conserved. Objects stick together after the elastic collision.

When the velocity of a mass on a spring is zero, the acceleration is at