at time t=0 a cart is at x=10 m and has a velocity of 6m/s in the negative x direction. the cart has a constant acceleration of 3m/s squared in the positive x- direction . what is the velocity of the cart at t=3s?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?