a truck has the impulse 3 times bigger than a car that is moving in the same direction. the velocity of the car is 54km/h and the mass of the car is 2 times smaller that the trucks. Find the velocity of the truck

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter