What is the total displacement of a dog that runs north 80 meters to chase a ball, returns to its master, and then runs south 20 meters?

What is the difference between induction and conductions as related to electric charger?

What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward velocity) and the one who jumped out of a plane

Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that the ball passes over the net and lands in her opponents court. Consider the following forces: 1 - A downward force of gravity. 2 - A force by the "hit".

A total distance of 4.5km. The overall journey takes 0.62h, whats the average velocity

A parallel-plate capacitor has dimensions 4.3 cm * 4.6 cm. The plates are separated by a 1.0-mm thickness of paper (dielectric constant κ = 3.7). What is the charge that can be stored on this capacitor, when connected to a 1.2-V battery? (ε0 = 8.

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