The position versus time for a certain object moving along the x-axis is shown. The objects initial position is -3m. Find the instantaneous velocity at 8 s. Answer is units of m/s.

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm