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A 277.4-N force is applied parallel to a 23.8-degree incline to pull a 29.5-kg crate from rest up the incline to a final height of 5.8 meters. µ between the incline and the crate is 0.50. Determine the speed of the crate at the top of the incline.
A swimming pool has dimensions 26.0 m multiplied by 9.0 m and a flat bottom. what is the force caused by the water on the bottom
A 60kg student carrying a 5.0kg school bag walks up to flights of stairs in 30 seconds to reach the library. How much power did the student generate
A stone is thrown vertically upward at a speed of 28.40 m/s at time t=0. A second stone is thrown upward with the same speed 2.570 seconds later. At what height do the two stones pass each other
a wire carrying a current is placed in a uniform magnetic field. When a current of 3.7A flows in the wire there is a force of 0,075N on each 18cm of wire in the field
Suppose you are willing to continue making monthly payments of $1402, and want to pay off the mortgage in 25 years. How much additional cash can you borrow today as part of the refinancing?
A single force acts on a 2.8 kg particle-like object in such a way that the position of the object as a function of time is given by x = 4.2t - 5.0t2 + 1.1t3, Find the work done on the object by the force
A 208.3 gram pendulum bob on a 1.92 meter long string is pulled to a height above its lowest position such that it makes an angle of 19.0 degrees with the vertical. Determine the speed of the pendulum bob
Part A - What volume of 2.25M HCl in liters is needed to react completely (with nothing left over) with 0.250L of 0.300M Na2CO3. Express your answer numerically in liters.
Many non-accounting types argue that the cost concept is of little value because it does not reflect fair market value. What do you think?
A person pulls a sled for a distance of 37.0m along the snow with a rope directed at 20 degrees above the snow. how much work is done on the sled by the tension force
To start a great night of doing physics homework, you sit down to pour yourself a good cup of coffee. What is the final temperature of coffee and mug once they come to thermal equilibrium
A gas bubble with an initial volume of 7.00 milliliters rises from a depth of meters. If the temperature does not change, what is its volume, to nearest ml, when it reaches the surface (density of water=1000 kg/m^3)?
Damped forced oscillations, A single stage vibration isolation system consists of a heavy granite slab (100 kg) sitting on legs which act as a vertical damped spring. The "Q" (Quality Factor) of the system is 8.0, and the velocity damping coeffici..
A bird sits on a high-voltage power line with its feet 4.6 cm apart. What is the potential difference between the bird's feet
A capacitor that is initially uncharged is connected in series with a resistor and a 400.4V emf source with negligible internal resistance, What is the resistance of the resistor
How much work is done in stretching the spring. Find out the constant acceleration of the car.
Derive the speed of the wave water in a shallow pool of water of depth y. You may consider using a method similar to the derivation of the sound wave equation
A 3.5 k and a 1.5 k resistor are connected in parallel and this combination is connected in series with a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the highest voltage that can be applied across the whole network.
A rock of mass 0.340 kg is spun horizontally at the end of a wire that is 1.00 m long and has a diameter of 1.00 mm. what is the Young's modulus of the wire
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
What is coefficient of kinetic friction
Consider three non-interacting particles each of which has three accessible quantum states. Determine the possible states for this system if the particles are fermions
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