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A 1.00-kg mass (m1) on a frictionless inclined surface is connected to a 2.00-kg mass (m2).The pulley is massless and frictionless. The 2.00-kg mass is acted on by an upward force F = 5.30 N and has a downward acceleration of 5.50 m/s2.
What is the tension in the connecting cord?
What is the angle theta (in degrees)?
find out the speed with which the pebble strikes the ground when the pebble is fired (a) horizontally, (b) vertically straight up, and (c) vertically straight down
A 270 g ball at the end of a string is revolvinguniformly in a horizontal circle of radius 0.51 m. The ball makes1.7 revolutions in one second. What is the speed of the ball as itgoes around in the circle?
A hockey puck is struck with a force of 40N in an ice hockey arena. Assuming the ice provides a constant frictional force of 20N, determine the mass of the puck
A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 30.0 degrees above horizontal. what is the coefficient of friction between the sled and the ground
A weightlifter works out at the gym each day. Part of her routine is to lie on her back and lift a 40 kg barbell straight up from chest height to full arm extension, a distance of 0.51m. How many 400 Calorie donuts can she eat a day to supply that..
What is the internal resistance of a 12 V car battery whoseterminal voltage drops to 9.90 V when the starter draws 73.8 A? What is the resistance of the starter
Two horses are pulling a barge with mass 1.87 103 kg along a canal, Find the initial acceleration of the barge
imagine that a cars x-acceleration during a certain time period is given by the function axt-bt. if the cars
A dart is thrown horizontally with an initial speed of 12 m/s toward point P, the bull's-eye on a dart board. How far away from the dart board is the dart released
A 5.60kg block hangs from a spring with spring constant 2120N/m . The block is pulled down 5.20cm from the equilibrium position, What is the total mechanical energy of the motion
A resistor, capacitor and inductor are connected in series to an ac source with a frequency of 30 Hz and an rms potential of 40 V. What is the resonance frequency for this circuit
At a horizontal distance of 45m from a tree, the angle of elevation to the top of the tree is 26 degrees. How tall is the tree
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