A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 50 ∘ and fly another 5.0 km .

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Why do different substances have diffrent properties