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A man walks first at a constant speed of 5m/s along a straight line from point C to point D and then back along the line from D to C at fix speed of 3m/s. Determine his average velocity over the entire trip?
A 7.30 kg bowling ball strikes a 1.60 kg pin at rest head-on. What is the velocity of the pin after the collision
Harry jumps horizontally from the top of a building that is 20.0 m high, what must his jumping speed be
Billy Dee notes that her favorite record rotates at 34 rev/min. At what speed does the point on the record touching the stylus (needle) move when the stylus (needle) is 5.9 cm from the center?
A string has a linear density of 6.80 10-3 kg/m and is under a tension of 345 N. Determine the speed of the traveling wave
a ball is thrown horizontally from the roof of a building 45m tall and lands 24.m from the base. what was the ball's initial speed
A 41.0 kilogram ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. Evaluate the pressure exerted by the floor over the area of contact
What is the magnitude of the normal force that each brake pad applies to the rim . find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
An electron moving through an electric field experiences anacceleration of 6.1 x 103m/s2. Find the electric force acting on the electron.
What is the minimum cross-sectional area required of a verticalsteel cable from which is suspended a 327kg chandelier, If the cable is 7.3 m long, how much does it elongate
a 100 liter meteorological balloon is filled with helium at stp conditions 25oc and 760 mm hg. what will its volume
A ship on the surface of the ocean receives a sonar echo back from an underwater object. The echo path from the object to the ship is at an angle of 22 degrees above the horizontal and takes 2.5s to return. (Velocity of sound in sea water = 1500m/s)...
You dip your finger into a pan of water three times each second, producing waves with crests that are separated by 0.16 m. Determine the frequency of these water waves
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