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Consider the baby being weighed in Figure.
(a) What is the mass of the child and basket if a scale reading of 102 N is observed?
(b) What is the tension T in the cord attaching the child to the scale?
(c) What is the tension T' in the cord attaching the scale to the ceiling, if the scale has a mass of 0.400 kg?
(d) Draw a sketch of the situation indicating the system of interest used to solve each part. The masses of the cords are negligible.
the 15,000kg boxcar A is coasting freely at 1.5 m/s on the horizontal track when it encounters tank car B having a mass of 12,000kg and coasting at .75 m/s if the cars meet and couple together
What mass of water at 25.0° C added to a Styrofoam cup containing two 60.0-g ice cubes from a freezer at -17.0° C will result in a final temperature of 5.0°C for the drink?
Squaw Valley ski area in California claims that its lifts can move 45800 persons per hour. calculate the maximum total power needed
How many cm/s2 of acceleration should correspond to 1 unit of ramp slope if: •a graph of number of paper clips needed to maintain equilibrium vs. what would be the acceleration of the cart
The drawing shows four point charges. The value of q is 2.06 µC, and the distance d is 0.98 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity. 1 V
An object moves at a constant velocity of 11 m/s to the southwest for an inverval of 20 s. Halfway through this interval, what is the magnitude of its instantaneous velocity
the earth takes slightly less than one day to complete one rotation about the axis passing through its poles. what is the angular speed of the earth about its axis
What is the current in the circuit when all six lamps and the heater are turned on? If the circuit has a fuse which will melt if the current exceeds 12 A, will fuse melt.
A 6.5 Newton ball is thrown with an initial velocity of 20 m/s at a 35 degree angle from a height of 1.5 meter. If the ball is caught at a height of 1.5 meter, obtain how much mechanical work is required
A certain heat engine does 8.0 kJ of work and dissipates 9.00 kJ of waste heat in a cyclical process. What was the heat input to this engine
A wire carries a current of 30 A along the x-axis from x = 0 to x = +3.0 cm. Determine the magnitude of the magnetic field at the point y = 4.0 cm on the y axis.
If you twirl a small 9.0-g wooden ball in a circle at 3.0 revolutions per second on a light 11-cm string, approximately how many units of angular momentum does it have
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