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-What is the total force on the bottom of a swimming pool13.0 m with 5.8 m whose uniform depth is 1.9 m?
-What is the absolute pressure on the bottom of a swimming pool?
-What will be the pressure against the side of the pool near the bottom?
A car with an initial velocity of 3.5 m/s coasts with the engine off and the transmission in neutral. If the combined effect of air resistance and rolling friction causes a deceleration of0.50 m/s2, after how long of a time will the car come to a sto..
A circular loop of wire of radius r = 0.32 m and resistance R=2.5ohms is placed in a uniform magnetic field that is perpendicular to the plane of the loop and initially directed in to the page. The field varies with time as Bz = -4T - (5.6 T/S )t +(2..
A 0.54 kg object connected to a light spring with a force constant of 18.2N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4.0 cm and released from rest. Decide the maximum speed of the object.
An object is placed 20 cm to the left of a converging lens of focal length 27 cm. A diverging lens of focal length 10 cm is 25 cm to the right of the converging lens. Discover the position and magnification of the final image
A cab driver picks up a customer and delivers her 1.80 km away, on a straight route. The driver accelerates to the speed limit and, on reaching it, begins to decelerate all at once.
An energy of 0.1 J is stored in the metal ball on top of a Van de Graaff generator. A spark carrying 1 micro coulomb (10^-6 C) discharges the ball. What was the ball potential relative to ground?
A straight wire (length =8.0 m) is bent to form a square. If the wire carries a current of 20A, what is the magnitude of the magnetic field at the center of the square?
A particle is constrained to move (without friction) on a circular wire rotating by constant angular speed ω about a vertical diameter. Discover the equilibrium position of the particle, and compute the frequency of small oscillations around this pos..
A horizontal force of 20.0 N is needed to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis).The object is now released from rest by an initial position of xi =0.200 m, and it subsequently under..
A ray of light is incident from the air onto a flat diamond surface at an angle of 35 degrees. If the refractive index of diamond for red light is 2.410 and for blue light is 2.445, what is the angle among the refracted rays in the diamond?
Electrons accelerated by a potential dissimilarity of 12.89 V pass during a gas of hydrogen atoms at room temperature. Compute the wavelength of light emitted with the longest possible wavelength
A hot iron horseshoe (mass = 0.38 kg), just forged (Fig. 14-16), is dropped into 1.68 L of water in a 0.33 kg iron pot initially at 20 °C. estimate the initial temperature of the hot horseshoe
A 4.97-g bullet is shot through a1.02-kg wood block suspended on a string2.00 m long. The center of mass of the block rises a distance of0.49 cm. Find the speed of the bullet asit emerges from the block if its initial speed is 404 m/s.
A mass m=4.5 kg is attached to the vertical spring with k=200 N/m and is set into motion. what is the maximum value of the velocity
A 115-V source of emf is attached to a heating element with is a coil of nichrome wire (r=100*10^-8) of cross section 1.20 mm^2. What must be the length of the wire
When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.34 m/s2. What is the mass of the cargo
The magnitude of the force exerted by a spring is given by F = kx where x is the amount of stretching/compressing of the spring. What must be the units associated with k expressed in terms of fundamental SI units?
The rope and two masses are suspended from the ceiling of an elevator which is accelerating downward at 2.8 m/s^2. If each of the masses is 3.7 kg, find the tension in the rope connecting the two masses.
To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car
All parts of a wheel rotating about a fixedaxis must have the same angular acceleration. Angular speed and linear velocity have the samedimensions. All parts of a wheel rotating about afixed axis must have the same centripetal acceleration.
A bicycle is moving at a speed v = 4.26 m/s. If the radius of the front wheel is 0.450 m, how long does it take for that wheel to make a complete revolution.
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. What is the amplitude of each wave
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