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A 16.0-kg enters a water slide that has a entrance 2.50 m above the ground exit. When the child exits, her speed is 3.50 m/s. What is the potential energy of the child when entering the slide? How much energy is lost due to friction during the water slide trip? If the coefficient of kinetic friction is 0.40, and the entire slide took a time of .50 s, then how much power did friction consume during the slide?
A conical pendulum is formed by attaching a 0.400kg ball to a 1.00m -long string, then allowing the mass to move in a horizontal circle of radius 40.0cm, What is the ball's angular velocity, in rpm
High-speed stroboscopic photographs show that the head of a 250. g golf club travels at 60.0 m/s just before it strikes a 47.0 g golf ball at rest on a tee. What is the velocity of the golf ball just after the impact by the club
A parallel-plate capacitor is made from two aluminum-foilsheets, each 4.0 cm wide and 5.00 mlong. What is the capacitance of this capacitor
the title of your presentation isnbspwater an overlooked essential nutrient.nbspa law firm has requested that you
A nonuniform linear charge distribution given by?=bx, wherebis a constant, is located along anxaxis fromx= 0 tox=0.35m. Suppose thatb=30nC/m2andV= 0 at infinity. What is the electric potential at the origin
A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 cm and released. If the ball makes 55 oscillations in 20 s, what are its mass and maximum speed
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.10 m/s at an angle of 17.0° below the horizontal. How far horizontally from the base of the building does the ball strike the ground
(8c1p14) Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars, What is the mass of gasoline (? = 0.680 g/cm3) in a 94.6 L gasoline tank? (kg)
Find the triple point pressure of a constant-volume gas thermometer if its pressure is 0.399 atm at a temperature of 109° C
A race car starts from rest on a circular track of radius 437 m. The car's speed increases at the constant rate of 0.560 m/s2. calculate the speed of the race car
A bowling ball of mass 6.00 kg rests in a groove with smoth, perpendicular walls, inclined at angles of 30.0 degrees (theta). find the normal forces at the left and right points of contact
A zero-friction (air bearing) cart is launched at a speed of 1.85 m/s up a slightly inclined track. How far does the cart travel from launch until the time it comes to rest
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