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A 130g ball moving at 0.35 m/s in the positive x-direction is subject to a 0.15 N force in the negative y-direction for 2.5 seconds.
A) Find the magnitude of the ball's momentum change.B) Find the ball's final speed.C) Find the angle between the ball's final velocity and the positive x direction.
question children are playing on a vertical slide that is 10m high. if humps were added to this slide but the height
Find an expression for the loop's velocity as a function of time as it enters the magnetic field. You can ignore gravity, and you can assume that the back edge of the loop has not entered the field
A street light is supported by two wires and each makes a different angle from each other. Find the tension in each wire if the street light has a mass of 60.0 kg
A series RLC circuit has a resistance of 24 ? and an impedance of 105 ?. what average power is delivered to the circuit
A 24-V battery is connected in series with a resistor and an inductor, with R = 4.2 ? and L = 6.0 H, respectively. Find the energy stored in the inductor when the current reaches its maximum value
In a photoelectric-effect experiment, the maximum kinetic energy of electrons is 3.2eV . When the wavelength of the light is increased by 50% , What is the work function of the cathode
if a 1500kg car is driven in sand at 5m/s, the coefficient of rolling friction is 0.06. What is the propulsion force need tot keep the car moving
a uranium and iron atom reside a distance r 44.90 nm apart. the uranium atom is singly ionized the iron atom is doubly
The mass of the earth can be given as 10 moles of kilograms. What does this statement mean, and what is the error with the actual mass of the earth (5.98 x 1024 kg)
An airplane increases its speed from 100 m/s to 160 m/s, How much time does it take for the complete increase in speed
a system loses 640 j of potential energy. in the process it does 660 j of work on the environment and the thermal
) If the pressure of the 2.2-cm3 volume is reduced to 1.2 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
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