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Several kids are on a sled pulled by a four-wheeler across a level snow-covered field. The sled is moving at a fix speed of 9.00 m/s, and the tow rope (parallel to the ground) creates an angle of 35.0 degree with respect to the velocity of the sled. If the tension in the rope is 38.0 Newton, compute the work done on the sled by the tension in the rope in 12.0 second.
A 1000-kg rocket has a net propulsion force of 20 kN (kiloNewtons). What is the net work done on the rocket in kilojoules (kJ)
An initially uncharged 4.53x10-6 F capacitor and a 7250 ohm resistor are connected in series, Calculate the circuit's time constant
A concave mirror and a plane mirror (f = 8.30 cm) are facing each other and are separated by a distance of 23.0 cm. An object is placed among the mirrors and is 11.5 cm from each mirror.
A ball is shot from the ground into the air. At a height of 8.6 m, the velocity is observed to be v = (8.1)i + (5.3)j in meters per second (i horizontal, j upward). To what maximum height will the ball rise
Radiotelescopes are designed to observe 21-cmwaves emitted by atomic hydrogen gas. Estimate the distance to this galaxy
amtraks high speed train the acela utilizes tilt of the cars when negotiating curves. the angle of tilt is adjusted so
An air-core solenoid with 64 turns is 8.00 cm long and has a diameter of 1.20 cm. When the solenoid carries a current of 0.800 A, how much energy is stored in its magnetic field
Consider resistor= 20 ohms, capacitor= 6 microfarads, and a 50 mH inductor, At what frequency is the current a maximum and what is the maximum rms current
The platter of a record player by a mass of 0.5 kg and radius 0.12 m is spinning with an angular speed of 5 rad/s. The rotational inertia of the platter about its axis of rotation is 3.60x10^-3 kg*m^2. If you touch the outer edge of the platter and a..
a 5.0 g ice cube at -20degree cis in a rigid sealed container from which all the air has been evacuated.how much heat
Find the magnitude of the acceleration a of a block as it slides down the incline without friction. You must use a coordinate system with horizontal x and vertical y
the energy of formation of a vacancy in copper is 1ev. what is approximate relative change in the density of copper due
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