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You are in charge of testing or designing a new amusement park ride. At the end of the ride, the 1200 kilogram cart (including people) goes down a hill that is angled at 30 degree from the horizontal. The starting height of the cart is 20 meter above the ground, and it is going 5 meter per second at the top of the hill. There is a constant force of friction of 30 Newton on the cart the entire ride. At the bottom of the hill, the cart travels 50 meter before being stopped by a spring that is compressed by 2 meter. Evaluate the spring constant of the spring?
In a model AC generator, a 501 turnrectangular coil 10.0 cm by27 cm rotates at 117 rev/min in a uniform magnetic field of0.55 T. What is the maximum emf induced in the coil?
A horizontal spring is lying on a friction less surface. One end of the spring is attaches to a wall as the other end is connected to a movable object. The spring and object are compressed by 0.056 m, released from rest, and subsequently oscillate ba..
A resistor has a color coded value of 1500 ohms. If possible error on the color coded value is 5 percent, find the possible ranges in the value of the resistance
The 2.0 kg, 20 cm diameter disk is spinning at 320 rpm. How much friction force must the brake apply to the rim to bring the disk to a halt in 2.0 s.
When an uncharged parallel-plate capacitor is connected to a 50.0V battery, it is noticed that 22.0 microColumbs of charge flowed out from the + terminal of the battery, What is the value of the capacitance, in Micro Farads
A satellite is kept in a circular orbit 3.0*102kmabove the surface of the Earth by the force of gravity. calculate the period of the satellite
a man is on a roof of height 50m and hurls a water balloon with a velocity of 15ms at an angle of 30 above the
What is the work completed by the force of gravity.
A 8.40 kg object oscillates at the end of a vertical spring that has a spring constant of 2.45 multiply.gif 104 N/m. Calculate the frequency of the dampened oscillation
he electron mass is 9×10?31 kg. What is the magnitude of the momentum of the electron
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
A particle with a charge of -1.75 x 10-8 C is moving with an instantaneous velocity of magnitude 44.5 km/s in the xy-plane at an angle of 55o counterclockwise from the +x axis. Find the magnitude of the force exerted on this particle by a magnetic fi..
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