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A 2.10-cm-high insect is 1.50m from a 139-mm-focal-length lens. Where is the image? Follow the sign conventions
How high is the image? Follow the sign conventions.
What type is the image?
If the ball was thrown from the street, when does it reach the street again after it passes by window on the way up.
when combing your hair, you transfer electrons from the hair onto the comp. is your hair then positively or negatively charged? how about the comb.
How fast should a car move toward. A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's moment..
An Australian emu is running due east in a straight line at a speed of 12.5 m/s and slows down to a speed of 11.4 m/s in 7.3 s. (a) What is the direction of the bird's acceleration? north south east west.
Two capacitors of capacitance 6.00 microFarad and 8 microfarad are connected in parallel, What is the potential difference across the 6.00-uF capacitor
A lead ball, with an initial temperature of 25oC, is released from a height of 101.0 m. It does not bounce when it hits a hard surface. Presume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball ..
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
What is braking distance for the first train
A 1.3-µF capacitor is connected to a 4.7-V battery. What is the magnitude of the charge on each plate?
A partially evacuated airtight container has a tight-fitting lid of surface area 75.4 cm2 and negligible mass. If the force required to remove the lid is 384 N and the atmospheric pressure is 1.00 × 105 Pa, what is the air pressure in the containe..
Let the masses of blocks A and B be 4.0 kg and 2.0 kg, in that order, the moment of inertia of the wheel about its axis be 0.400 kg*m^2, and the radius of the wheel be 0.140 m. Find the linear accelerations of block A if there is no slipping between ..
A 57 kg student sits on a chair which is solely supported by a solid 1/2 meter long steel rod 1cm in diameter. To the nearest micron (millionth of a meter) what is the change in length of the rod produced by the student's weight.
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