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A 70kg person running at an initial speed of 4m/s jumps onto a120kg cart initially at rest. The person slides on the cart's topsurface and finally comes to rest relative to the cart. Thecoefficient of kinetic friction between the person and the cart is0.400. Friction between the cart and ground can be ignored.
(a) Determine the displacement of the person relative to theground while he is sliding on the cart.
(b) Determine the displacement of the cart relative to theground while the person is sliding.
Two waves traveling in the same direction combine. The constituent waves have identical angular wave numbers, find the phase difference between the constituent waves
Compare the analytical method for solving for vectors and the graphical method for solving for vectors. Which is more accurate? And why?
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile), What is its average power output in watts and horsepower
Measurements with microelectrodes have shown that a 0.30-nm-diameter potassium ion(K+) channel carries a current of 1.8 pA, How many potassium ions pass through if the ion channel opens for 1.0 ms
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that , What is the new range
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
In a certain region, the earth's magnetic field has a magnitude of 4.7 × 10-5 T and is directed north at an angle of 69° below the horizontal, Determine the bullet's electric charge
A 1030 Kg car going 3.4m/s through a parking lot hits and sticks to the bumper of a stationary 1140 kg car. Find the speed of the joined cars immediately after the collision
A woman finds the front windshield of her car covered with ice at -12.0 °C. How much heat is required to melt the ice
A butterfly moves with a speed of v = 12.0 m/s east of North. The y-component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x-axis.
Ironman is chasing a bad guy who is running at 7.2 m/s. When he is 143m behind the bad guy, How long does it take Ironman to catch the fellow
A Doppler ultrasound unit is used to measure the motion of blood in a patientâ€TMs artery. What is the maximum speed of the blood in the artery
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