-- 6.5 m/s The negative sign for the final velocity means that the ball is moving
downward (the negative direction) at 1.5 s.
Practice Problems
20. Concept Check The velocity-time equation for a golf cart is
vp = (1 m/s) + (-0.5 m/s?)t
(a) What is the cart's initial velocity?
(b) What is the cart's acceleration?
21
nd has

Ahot-air balloon is drifting straight downward with a constant speed of 2.40 m/s. when the balloon is 7.63 m above the ground, the balloonist decides to drop one of the ballast sandbags to the ground below. how much time elapses before the sandbag hits the ground?

Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?

Orange juice has a lower or higher viscosity than chocolate syrup