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You are on an unknown planet. You throw an object straight up with an initial speed of 5ms. It takes 6 seconds for the object to return to your hand.
1. Will the object's maximum height be higher or lower on the earth?
2. What is the gravitational acceleration of the unknown planet?
3. What was the maximum height (above your hand) of the object?
An aluminum ring has an inside diameter of 1.793 cm, and an iron rod has a diameter of 1.798 cm, at what common temperature will the ring just slip onto the rod
Two 120kg lead spheres are suspended from 170m -long massless cables. By what distance do the two spheres move closer
The average intensity of sunlight reaching the earth is 1390W/m2. A charge of 2.1x10-6 C is placed in the path of this electromagnetic wave. What is the magnitude of the maximum electric force that the charge experiences?
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 5.00 ?F. evaluate the dielectric constant of the inserted material
A charged ion has a mass of 2.5x10^-26 kg and charge 1.25x10^-19 C. Determine the radius of the path
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.979 rad/s. You, with a mass of 70.3 kg, walk clockwise around the platform along its edge at the speed of 1.11 m/s with respect to the platform. Calculate the ..
an object is 30cm in front of a converging lens with a focal length of 10cm . a use ray tracing to determine the
A Kennedy half-dollar has a mass that is 1.150 x 10-2 kg. The coin is a mixture of silver and copper, andin water weighs 0.1011 N. Determine the mass of silver in the coin
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large that it levitates when the segment is in a region of B field upward with magnitude 1.5 T
A 52kg ballet dancer stands on her toes during a performance with four square inches (26cm2) in contact with the floor. What is the pressure exerted by floor over the area of contact in some cases.
So I have a 500kg object being lowered by a crane while two people steady it with ropes pulling on either side. what is the tension in the main rope supporting the object
A gold nucleus contains 197 nucleons packed tightly against each other. A single nucleon (proton or neutron) has a radius of about 1.310-15 m. Calculate the approximate radius of the gold nucleus. (Hint: Remember that the volume of a sphere is (4/..
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