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A monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for another vine 23.4 meters away horizontally and the other vine is 10.2 meters above t
Height of the helicopter above ground given by h=2.90t^3. At t=1.90s the helicopter releases a bag. How long does it take for the bag to reach the ground?
A test charge of 3.10 µC is placed 6.10 cm away from a large flat uniformly charged nonconducting surface. The force on the charge is 290 N. The charge is now moved to 4.10 cm away from the su
A hydraulic lift system can hold up t o 400,000 N (80,000 lbs). The maximum pressure in the system is 8,000,000 Pa (1200 psi). what is the minimum cross section area of the piston used to lift the t
In Meters What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary and that it may be treated as a point charge. The atomic number of gold is 7
The turpentine and the aluminum cylinder are then slowly warmed together to 85.0°C. (The average linear expansion coefficient for aluminum is 2.4 x10^-6°C, and the average volume expansion c
Give the distance of the spot to the positive charge in meters (m). (Hint: The spot does not necessarily lie between the two charges.) (b) What would be the force on a charge of +14 X 10^-6 C placed
An electron is initially at rest just outside a large copper surface that has a charge density of 1.03 x 10-6 C/m2. How far has the electron moved in 1.17 x 10-9 s if the field is uniform over this re
Find the x and y components and the magnitude and direction of the electric field at x = 0 m, y= 0.240 m.
You drive on Interstate 10 from San Antonio to Houston, half the time at 58 km/h and the other half at 99 km/h. On the way back you travel half the distance at 58 km/h and the other half at 99 km/h
The truck has a constant acceleration of 2.01m/s2, and the automobile an acceleration of 3.47m/s2. The automobile overtakes the truck after the truck has moved a distance of 45.0m (1) How much time do
A crane (massless boom) is used to lift a 2000 lb car. The boom is 60 degrees above the horizontal. The cable above the boom makes an angle of 50 degrees to the horizontal. What is the tension in th
A soccer player kicks the ball toward a goal that is 28.6 m in front of him. The ball leaves his foot at a speed of 19.1 m/s and an angle of 30.2° above the ground. Find the speed of the ball wh
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 39 at 20°C. If its resistance increases to 39.3 at 28.0°C, what is the temperature coefficient of resistivity?
A large boulder is ejected vertically upward from a volcano with an initial speed of 40.7 m/s. Air resistance may be ignored. What is the magnitude of the acceleration while the boulder is moving?
What is the magnitude of the average net force that acts on the box during the collision?
A softball is hit over a third baseman's head with speed v_0 and at an angle theta from the horizontal. Immediately after the ball is hit, the third baseman turns around and runs straight back at a
The object is pulled down, released, and allowed to oscillate. T, the time required for one complete up-and-down oscillation, is given by the equation T = 2p(m/k)1/2. What is the unit for k, the spr
What is the maximum possible height above the Earth for the bottom of a thundercloud, which is at a potential 1.42 x 108 V below Earth's surface potential, if there is to be a lightning strike?
The traffic on the freeway is moving at a constant speed of 16.0 m/s. What distance does the traffic travel while the car is moving the length of the ramp.
As a result, each object experiences an electrostatic force that has a magnitude of 1.1375 x 10-21 N. How many electrons did it take to produce the charge on one of the objects?
If the initial velocity of a cannonball is 40m/s and the cannonball is launched at 72O above the horizontal, how much time does it take to reach the ground again? (In other words, what is t after th
A plate carries a charge of -2.6 µC, while a rod carries a charge of 2.4 µC. How many electrons must be transferred from the plate to the rod, so that both objects have the same charge?
Calculate the maximum force constant of the spring k_max that can be used in order to meet the design criteria.
A 75.0-W lamp is placed in series with a resistor and a 120.0-V source. If the voltage across the lamp is 28 V, what is the resistance R of the resistor?