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A horizontal force of 100 N pushes a 10 kg block up a frictionlessincline that makes an angle of 25° with the horizontal.
(a) What is the normal force that the incline exerts on the block?
(b) What is the acceleration of the block?
A 2.25kg mass is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 20.6N is required to hold the mass at rest when it is pulled 0.215m from its equilibrium position, Calculate the total energy of the oscillating..
an object with a mass 2.70kg is executing simple harmonic motion, attached to a spring with spring constant k=280 N/m. What is the frequency of oscillation of the object
Cliff and Will are carrying a uniform 2.0m board of mass 74kg. Will is supporting the board at the end while cliff is 0.6m from the other end, Find the normal forces exerted by Cliff and Will
A parallel-plate aircapacitor of area A = 17.3 cm2 and plate separation of d= 3.80 mm is charged by a battery to a voltage of 60.0 V. What is the charge on the capacitor?
A 1.2 kg mass attached to a spring oscillates with amplitude of 6.3 cm and a frequency of 1.1 Hz. What is its energy of motion.
A long solenoid that has960turnsuniformly distributed over a length of0.390m produces a magnetic field of magnitude1.0010-4T at its center
An arrangement of two pulleys, as shown in the figure, is used to lift a 46.4-kg mass a distance of 3.20 m above the starting point. What is the mechanical advantage of this system
An idealized voltmeter is connected across the terminals of a 16.5-V battery, and a 79.5-?appliance is also connected across its terminals. How much power is being dissipated by the appliance
Ekapluto is an unknown planet that has two moons in circular orbits. Moon A: Mass = 4x10^20 kg Orbital radius = 2x10*8 m orbital period = 4x10^6 s, find the maximum gravitational force between the two moons
One kilomole of an ideal gas undergoes a free expansion, tripling it's volume. What is the change of entropy of the universe
A series RLC circuit contains the following components: R = 3.00 102 ?, L = 3.50 102 mH, C = 5.00 µF, and a generator with ?Vmax = 2.20 102 V operating at 80 Hz. Calculate the individual maximum voltages across the resistor, inductor
An automobile emits 20 lbs of CO2 per gallon of gasoline burned. how many billions of lbs of CO2 are emitted every year
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