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You throw a baseball directly upward at time t = 0 at an initial speed of 14.3 m/s. What is the maximum height the ball reaches above where it leaves your hand? At what times does the ball pass through half the maximum height? Ignore air resistance and take g = 9.80 m/s2.
Maximum height:___ m
Earlier time at half maximum height:___s
Later time at half maximum height:____s
If you estimate the coefficient of friction between the tractor and the road is 0.85 and the kinetic coefficients of friction between the trailer and road is 0.4. How much mass does the trailer have?
A 0.0750 kg ice cube at -30.0°C is placed in 0.597 kg of 35.0 °C water in a very well insulated container. The system comes to equilibrium after all of the ice has melted. What is the final temperature of the system?
The magnitude of the acceleration due to gravity
a straight wire is aligned north-south in a region where earths magnetic field barrowbold is directed 52.0deg above the
A circular-motion addict of mass 70 kilogram rides a Ferris wheel around in a vertical circle of radius 10 meter at a constant speed of 6.0 m/s. Find what is the magnitude of the normal force on the addict from the seat when both go through the hig..
Two capacitors give an equivalent capacitance of 9.00 pF when connected in parallel and an equivalent capacitance of 1.70 pF when connected in series. What is the capacitance of each capacitor? smaller capacitor pF bigger capacitor pF
Two large spheres with the same diameter are mounted on vertical axles in a science museum. Both are coated in a thin layer of white plastic, and although they appear identical, one is actually a solid wooden sphere, while the other is a hollow me..
A Rope is wrapped around a cylinder with a diameter of 500 cm. When the rope is pulled, it causes the cylinder to rotate around an axis through its center. If the cylinder starts from rest, and the tension in the rope is a constant 20.0 N, what wi..
A large tub is filled to a depth of 50.0 cm with fresh water. Then oil of density 750.0 kg/m3 is poured onto the water. What is the depth of the oil layer
Four point charges have the same magnitude of 2.47 x 10-12 C and are fixed to the corners of a square that is 3.65 centimeter on a side. Find the magnitude of the net electric field that exists at the center of the square
you have book a 6 kg which sits on top of book b 15 kg which sits on top of a table 30 kg.a. draw a free body diagram
A vessel partially filled with mercury (atomic weight 201), and closed except for a hole of area 0.1mm2 above the liquid level, is kept at 00C in a continuously evacuated enclosure.After 30 days it is found that 24mg of mercury has been lost. What..
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