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A 100kg runner is heading north at a speed of 2.0 m/s and a50kg runner is headed south at 3.0m/s.
A) Find the total momentum vector of the system comprised of the runners.B) Give both magnitude and direction.
You are on the tilt-a-whirl ride and it begins to spin. Model the ride as all the mass at a radius of 1.60 m. The mass of the ride with people is 230.0 kg. What is the moment of inertia of the ride
A 0.15 kg ball is placed in a shallow wedge with an opening angle of 150.For each contact point between the wedge and ball, find out the force exerted on the ball. Assume the system is frictionless.
Illustrate what factor caused fewer purchases to be planned? Suggest business conditions that would cause this factor to both occur and impact the company in this way."
What is momentum of the block
A 605 N woman climbs a staircase that rises at 47 degrees above the horizontal and is 4.70 m long. Her speed is a constant 40.0 cm/s. How much work has gravity done on her as she climbed the stairs
an electric car accelerates for 12 s by drawing energy from its 400-v battery pack. during this time 1200 c of charge
Fleas have remarkable jumping ability. A 0.55mgflea, jumping straight up, would reach a height of 40cm if there were no air resistance. What is the flea's kinetic energy as it leaves the ground
On a unit circle with a diameter of 2 m (r=1 m) there are 2 positive charges of 1 C each, one at the center of both sides of the circle. What is the net force at the top point of the unit circle
A 25 N force at 60° is required to set a crate into motion on a floor. What is the value of the static friction
Electrons are accelerated by a potential and directed upon a thin salt crystal that has inter-atomic spacing of 0.282 cm. What was the acceleration potential
A cube of ice is taken from the freezer at -9.2°C and placed in a 98 g aluminum calorimeter filled with 299 g of water at room temperature of 20°C. What was the mass of the ice cube
when a capacitor has a charge of magnitude 80muc on each plate the potential difference across the plates is 16 v. how
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