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A 75.0 kg fullback running east with a speed of 6.00 m/s is tackled by a 82.0 kg opponent running north with a speed of 5.00
1. 5 answers
2. asked by Megan
3. 2,609 views
two charges attract each other with a force of 2.5 N. What will be the force if the distance between them is reduced to
1. 2 answers
2. asked by Will
3. 822 views
At a certain location, the horizontal component of the earth's magnetic field is 2.5 x 10^-5 T, due north. A proton moves
1. 5 answers
2. asked by AL
3. 1,406 views
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in
1. 2 answers
2. asked by Anonymous
3. 561 views
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15
1. 3 answers
2. asked by Anonymous
3. 603 views
A hockey puck is hit on a frozen lake and starts moving with a speed of 9.7 m/s. 4.1 seconds later, its speed is 7.2 m/s.(c) How
1. 1 answer
2. asked by Anonymous
3. 376 views
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in
1. 2 answers
2. asked by Anonymous
3. 478 views
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15
1. 2 answers
2. asked by Anonymous
3. 477 views
A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the
1. 2 answers
2. asked by Anonymous
3. 511 views
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the
1. 3 answers
2. asked by Megan
3. 825 views
A 85.0 kg base runner begins his slide into second base when he is moving at a speed of 2.10 m/s. The coefficient of friction
1. 1 answer
2. asked by Anonymous
3. 360 views
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the
1. 1 answer
2. asked by Anonymous
3. 992 views
An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A low-mass spring is connected
1. 2 answers
2. asked by Anonymous
3. 484 views
A 4.02 kg steel ball strikes a massive wall at 11.8 m/s at an angle of 60.0° with the plane of the wall. It bounces off the
1. 2 answers
2. asked by Anonymous
3. 557 views
A 41.8 kg girl is standing on a 142. kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a
1. 2 answers
2. asked by Anonymous
3. 522 views
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg,
1. 1 answer
2. asked by Anonymous
3. 348 views
Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that
1. 3 answers
2. asked by Anonymous
3. 639 views
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg,
1. 1 answer
2. asked by Anonymous
3. 442 views
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg,
1. 1 answer
2. asked by Anonymous
3. 455 views
Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that
1. 3 answers
2. asked by Anonymous
3. 416 views
A 91.0 kg fullback running east with a speed of 6.00 m/s is tackled by a 73.0 kg opponent running north with a speed of 3.00
1. 1 answer
2. asked by Anonymous
3. 634 views
Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that
1. 3 answers
2. asked by Anonymous
3. 410 views
A wheel has a radius of 3.5 m. How far (path length) does a point on the circumference travel if the wheel is rotated through an
1. 3 answers
2. asked by Anonymous
3. 734 views
A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface
1. 2 answers
2. asked by Anonymous
3. 630 views
A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed
1. 1 answer
2. asked by Mel
3. 501 views
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its
1. 1 answer
2. asked by Shannon
3. 373 views
: A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed
1. 1 answer
2. asked by Meg
3. 505 views
A spring of negligible mass stretches 2.14 cm from its relaxed length when a force of 8.40 N is applied. A 1.300 kg particle
1. 2 answers
2. asked by Sarah
3. 650 views
A commuter train passes a passenger platform at a constant speed of 31 m/s. The train horn is sounded at its characteristic
1. 3 answers
2. asked by Anonymous
3. 3,259 views
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume
1. 1 answer
2. asked by Tia
3. 452 views
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km
1. 1 answer
2. asked by Tia
3. 773 views
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km
1. 1 answer
2. asked by Anonymous
3. 489 views

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