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Two ice skaters, each with a mass of 72.0 kg, are skating at 5.55 m/s when they collide and stick together. If the angle between their initial directions was 125o, determine the components of their combined velocity after the collision. (Let the initial motion of skater 1 be in the positive x direction and the initial motion of skater 2 be at an angle of 125o measured counterclockwise from the positive x-axis.)
A 0.401 kg bead can slide on a curved wire, If the wire is frictionless and the bead is released with an initial speed of 12.8 m/s in the forward direction then find the speed of the bead at B
The position of a particle moving along the x-axis depends on the time according to the equation x = ct2 - bt3, where x is in meters, t in seconds, and c and b are positive constants.
Which of the following particles carries nuclear interactions?
A vector has components of 12.0 units along the x axis and 14.0 units along the y axis. What is the magnitude of the vector? What is the angle among the vector and the x axis (degrees)?
A cylindrical copper cable 1.90km long is connected across a 220.0V -potential difference. What should be its diameter
A uniform beam of length L and of weight 900.00 N is attached to a vertical wall by a hinge. calculate the force exerted by the hinge on the beam
A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm, What is the heat flow from the hot temperature to the cold temperature
A highway is to be built between two towns, one of which lies 36.0 km south and 88.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed? length km..
A hardworking ant must supply 0.00805 N to pull a small piece of fruit at constant velocity over a distance of 8.40 cm up a small hill to the entrance of the colony. calculate the mass of the piece of fruit in grams
You are driving north on 107th Avenue at a speed of 31.2 mph. At what frequency do you hear the siren
The asymptotic wavelength (λ limit) for the Brackett series is 1500 nm. Determine the wavelength of the first emission line
a 20.0 microcoloumb charge is placed at 04 cm a 4.00 microcoloumb charge is placed at 22 and an 8.50 microcoloumb
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