what is the frictional force of a box if A student is pushing a 80kg box across a floor by applying a 503N force to the right. The coefficient of static friction between the box and the floor is 0.6 and the coefficient of kinetic friction is 0.50
A spring mass system has maximum amplitude an extra 1 KG mass is attached to the spring in addition to the original mass the amplitude is now increased by 20% and the maximum acceleration is 10 m/s^2. Find the original mass and the original acceleration of the system
Chief Boolie, the jungle dweller, is out hunting for dinner when a coconut falls from a tree and lands on his toe. If the nut fell for 1.4 s,
how fast was it traveling when it hit Chief Boolie’s toe ?
The forces p and q of magnitude 1500 lbs and 1700 lbs respectively applied to the aircraft connection as shown. Knowing that the connection is equilibrium. Determine the tension s and t
A 3.5 kg rifle fires an 11g bullet with a velocity of 575 m/s. a.) What is the recoil velocity of the rifle. b.) If the shooter holds the rifle firmly against his shoulder,what will be the recoil velocity?
Assume the mass of shooter is 45kg
A 2500 kg delivery truck contains 125 cavans of rice, each of mass 500 kg. Its moving at a speed of 5m/s. How many cavans of rice must be unloaded at a nearby grocery so that the track can move at 9m/s and yet maintain the same momentum( Identify the given, unknown and equation to use.)
Find the center of mass of four 2kg bodies placed at each corner of a square of side 1.5m. (identify the given, unknown and equation to use)
A raindrop with a diameter of 5 mm falls in calm air towards the ground
at a speed of 12.1 m / s. How far would a drop travel in a minute?
A car starting from rest accelerates uniformly and attains a speed of 80m/s in 30s. It maintains this steady speed for another 30s. Then slows down uniformly until it comes to rest in the next 40s. What is the total distance covered?
If he couldn't perspire or otherwise cool his body, by how much would his body temperature rise during this exercise?