A 10,000-watt radio station transmits at 535 kHz. Calculate the energy of a single photon at the transmitted frequency.

A)3.55 × 10-28 J/photon

B)3.55 × 10-31 J/photon

C)6.63 × 10-30 J/photon

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

What is the measurement of how fast an object moves relative to a reference point?

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.