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Question: Dan is gliding on his skateboard at 4.0m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8.0m/s. How fast is Dan going as his feet hit the ground? Dan's mass is 50kg and his skateboard's mass is 5.0kg. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
The force among two charges are given by F=Kq1q2/rsq where k=9.0x109 nm2/c3. Using coulombs law what is the force among a pair of like charged particles if 1 particle is 2.0 coulombs and the second is 2.0 coulombs and they are 1m apart? Enter in bil..
A ball with a mass of 0.65 kg is dropped on a table. The initial height of the ball is 0.85 meters. Calculate the change in the momentum of the ball during its collision with the table
A military gun is mounted on a railroad car (m = 1400 kg), Find the recoil velocity of the car
A 0.335 m string is clamped at both ends. If the lowest standing wave frequency in the string is 326 Hz, Evaluate what is the speed
youve always wondered about the acceleration of the elevators in the 101 story-tall empire state building. one day
In a television set the power essential to operate the picture tube comes from the secondary of a transformer. The primary of the transformer is connected to a 120-V receptacle on a wall.
A crate rests on the flatbed of a truck that is initially traveling at 15 m/s on a level road. what is the minimum coefficient of friction between the crate and the truck that is required to keep the crate from sliding
In order to generate an induced voltage, a coil of cross sectional area 2x10^-4 m^2 is placed in a .4T magnetic field, How many times must the flip coil have to induce a voltage of 120V
The length of the B string on a certain guitar is 62.0 cm. It vibrates at a fundamental frequency of 246.0 Hz. what should the tension be when the string is in tune
A 380-N, uniform, 1.50 m bar is suspended horizontally by two vertical cables at each end. A small object of weight 520 N is placed distance 0.5 m from the cable A. What is the tension in cable A.
consider two identical 70-micro-coulomb point charges each of 65 mg mass. let them initially be at rest 40 cm apart.
A cylindrical section of tree trunk 50 cm in diameter and 75 cm long is seen rolling down a road below a saw hill at a speed of 12 m/s. (wood has a density of about 750 kg/m3) Assuming that the road has an incline 5% (meaning that if you travel 10..
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