A 59 kg physics student jumps off the back of her Laser sailboat (42 kg). After she jumps, the Laser is found to be traveling at 1.5 m/s. What is the speed of the physics student?

The slope of a velocity time graph over any interval of time gives the during that interval

An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )

The energy equivalent of the rest mass of an electron is