A Doppler radar sends a pulse at 6.00x109 Hz. It reflects off clouds
moving away at 8.52 m/s. What is the
change in frequency in the echo?

Agardener uses a wheelbarrow to move soil from a truck to his garden. on the first trip from the truck to the garden, the wheelbarrow is half-full of soil and the gardener applies a certain force to cause it to accelerate. on the second trip, the wheelbarrow is full of soil. although the gardener applies the same amount of force to the wheelbarrow, he cannot move it with the same rate of acceleration. what should the gardener do to move the wheelbarrow at the same rate of acceleration for the second trip?

Which fators influence ocean currents

What are the north and south poles of a solenoid change with?