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What mass of water at 25.0° C added to a Styrofoam cup containing two 60.0-g ice cubes from a freezer at -17.0° C will result in a final temperature of 5.0°C for the drink?
Two cicadas, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 3.10 , while Milada jumps horizontally with an initial speed of 98.
An oscillator consists of a block of mass 1.00 kg connected to a spring. When set into oscillation by amplitude 49.0 cm, it is observed to repeat its motionevery0.600 s.Find the maximum force exerted on the block.
an ac generator with e emsin?dt is connected to a capacitor with capacitance c.a what is the maximum value of the
A coil of 57. turns of wire has a diameter of 9.5 cm and carries 7.2 Amperes. How many Gauss is that
Air in a balloon does 46 J of work while absorbing 94 J of heat. What is the change in internal energy
A tiger leaps horizontally from a 5.90 m high rock with a speed of 4.10 m/s. How far from the base of the rock will she land.
The dimensions of a parallel-plate capacitor are all increased by afactor of nine. By what factordoes the capacitance change? (The dimensions refer to the lengthand width of a plate and the spacing between the plates.)
A weight of 45.0 N is suspended from a spring that has a force constant of 180 N/m. Determine the maximum value of the driving force
A 3.00 kg block starts from rest at the top of a 30.0 degreeincline and accelerates uniformly down the incline moving 2.00 m in1.50 s. Find the magnitude of the acceleration of the block. Find the coefficient of kinetic friction between the blockand..
A lab technician uses laser light with a wavelength of 670 nm to test a diffraction grating. When the grating is 40.2 cm from the screen, the first-order maxima appear 6.02 cm from the center of the pattern. How many lines per millimeter does this gr..
A ball is thrown at a 60.0° angle above the horizontal across level ground. It is released from a height of 2.00 m above the ground with a speed of 16.0 m/s.
An oil drop carries one excess electron and weighs 9.2 10-15 N. What electric field strength is necessary to suspend drop so it is motionless.
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