A student starts a food fight by throwing a 0.5 kg burrito at some girl helikes. He throws it kind-of hard so he accelerates it at 3 m/s2. How muchforce did this take?

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.