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A 0.10 kilogram ball is thrown straight up into the air with an initial speed of 12 m/s.
a) Obtain the momentum of the ball at its maximum height and
b) Obtain the momentum of the ball at halfway to its maximum height.
A coil with an inductance of 1.8 H and a resistance of 6.7 ? is suddenly connected to a resistanceless battery with an ? = 80.0 V. What is the rate at which thermal energy is appearing
Four identical springs with k = 65.3kN/m support a car, Find the maximum weight for the car if the springs should be compressed no more than 3.9cm when the car is at rest
The electric field in a velocity selector is generated by twoparallel plates separated by 5.00 cm with a potentialdifference of 90.0 V. If the magnetic field is7.000e-2 T, at what speed will particles passthrough undeflected?
A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 4.94 cm from the lens. What is the index of refraction of the lens material
Find out the normal force exerted on the crate by the elevator.
A beam of parallel rays from a 24 MHz citizens band radio transmitter passes between two electrically conducting (hence opaque to radio waves) buildings located 45.00 m apart. What is an angular width of the beam as it emerges from between the buildi..
High-speed stroboscopic photographs show that the head of a 170-g golf club is traveling at 47 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
Consider two widely separated conducting spheres, 1 and 2, the second having six times the diameter of the first. Find the final charge q1 and q2
Radiation at temperature Ti fills a thermally insulated cavity of volume V. If the cavity expands isentropically to volume rV, how much work is done by the radiation , as a fraction of its initial energy? How much work would be done if the expansion ..
A ball of moist clay falls 19.8 m to the ground. It is in contact with the ground for 19.5 ms before stopping. What is the average acceleration of the clay during the time it is in contact with the ground
A 250 g piece of ice at 0°C is placed in 430 g of water at 22°C. What is the final equilibrium temperature of the system
A 1328.0 g mass is on a horizontal surface with μk = 0.32, and is in contact with a massless spring with a force constant of 550.0 N/m which is compressed. Calculate the distance the spring was compressed
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