Which action could a student take to produce a longitudinal wave with a large amplitude? A. Stand still as possible
B. Light a candle
C. Bang on a drum
D. Drop a pebble in a pond

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

0.19 m/s and 0.45 m/s