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Tarzan tries to cross a river by swinging from one bank to theother on a vine that is 10m long. His speed at the bottom of theswing, just as he clears the survace of the river, is 8.0 m/s.Tarzan does not know that the vine has a breaking stregnth of1000N. What is the largest mass Tarzan can have and make itsafely across the river?
What mass of water at 30.0°C must be allowed to come to thermal equilibrium with a 2.15-kg cube of aluminum initially at 1.50 × 102°C to lower the temperature of the aluminum to 77.0°C? compute the mass of the aluminum cup
Determine decisions from your personal experiences that fit under each of the categories of differential analysis presented in the text, including lease
If an object of 50 grams of unknown material at 100 degrees C is mixed with 100 grams of water at 0 degrees C, the final temperature is 40 degrees C
q1. a 2.0 kg piece of wood slides on the surface. the curved lateral sides are perfectly smooth no resistance but the
A mass rests on top of the piston. The initial temperature of the system is 305 K and the pressure of the gas is held constant at 137 kPa. The temperature is now increased until the height of the piston rises from 23.4 cm to 27.0 cm. What is the f..
what is the magnitude FN at the highest point. The positive charges are arranged in a square. sides- .10 m the top right is 9 nC bottom right is 3 nC and the bottom left is 1 nC. find the magnitude of the electric field at the fourth corner of the ..
A block is at rest on a plank whose angle can be varied. The angle is gradually increased from 0 deg. At 27.1°, Calculate the kinetic coefficent of friction between the block and the plank
A 500 kg elevator starts from rest. It moves upward for 2.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. What is the average power of the elevator motor during this period
A cargo plane is flying horizontally at an altitude of 11.5 km with the speed of 820 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air resistance.)
An open organ pipe and an organ pipe that is closed at one end both have lengths of 0.48m at 20 C
A rigid container holds 2.7mol of gas at a pressure of 2.6atm and a temperature of 50 C. What is the container's volume
A sailboat is heading directly north at a speed of 18 knots (1 knot = 0.514 m/s). The wind is blowing towards the east with a speed of 10.4 knots. what is the magnitude of the knots
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