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A 0.05 kilogram ball is thrown straight up into the air with an initial speed of 17 m/s.
(a) Obtain the momentum of the ball at its maximum height
kg•m/s
(b) Obtain the momentum of the ball at halfway to its maximum height
The front 1.20 meter of a 1300 kilogram car is designed as a "crumple zone" that collapses to absorb the shock of a collision. Find what is the magnitude of the average force on the car
A 4kg pumpkin is sitting stationary on a platform. What is the total energy of the pumpkin measured by a person standing on the platform
Jupiter has the strongest magnetic field in our solar system, about 14 at its poles. Approximating the field as that of a dipole, find Jupiter's magnetic dipole moment
a 0.135-g spider hangs from the middle of the first thread of its future web. the thread makes an angle of 5.29deg
Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the s..
Three forces are applied to a wheel of radius 0.290 m, as shown in the figure below. One force (F1 = 12.0 N) is perpendicular to the rim, one (F2 = 9.05 N) is tangent to it, and the other one (F3 = 13.3 N) makes a 40.0° angle with the radius. What..
a positive charge of 5.30 oc is fixed in place. from a distance of 3.80 cm a particle of mass 6.00 g and charge 3.60 oc
Capacitors C1 = 3450 nF and C2 = 700 nF are initially connected in parallel and hold a combined charge of Qtoti = 783 nC. Find the total charge Qtotf and total energy stored in the final state
A juggler throws a ball straight up into the air and it takes 4.20 seconds to reach its peak. How many seconds will it take after that to fall back into his hand? Assume he throws and catches the ball at the same height.
A 5.0 kilogram block is experiencing an applied 3.0 newton force in the positive x direction and is held stationary by an opposing frictional force, Determine the magnitude of the normal force
0.0024 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart. What is the electric field energy density between the plates
when you take a bath how many kilograms of hot water 48.8degc must you mix with cold water 13.6degc so that the
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