Aparticle moves along a straight line with a velocity in millimeters per second given by v = 301 - 16t2 where tis in seconds. calculate the net displacement δs and total distance d traveled during the first 5 seconds of motion.
answers:
δs = m
d = m

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 127 ft at an angle of 31.0° above the horizontal. it then moves 127 ft at an angle of 46.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)

Which of the following is an example of units for speed