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an object is placed 12 cm in front of a concave mirror whose focallength is 23 cm the object is 36 cm tall determine a
three moles of a monatomic ideal gas are heated at a constantvolume of 234 m3 the amount of heat added is 350 x103 ja
i get that all of this interference and diffraction pattern stuff should depend on the path difference after all thats
assuming that the earth is of uniform density inside find the kinetic energy of the earth due to its yearly motion
the gun of a barrel is 600m long a bullet is shot at apendulum that reaches a height of 18m once the bullet strikes
the team monitoring a space probe exploring the outer solar systemfinds that radio transmissions from the probe take
a projectile is launched from ground level at an angle of 10deg above the horizontal it returns to ground level to what
in a volcanic eruption a 2400-kg boulder is thrown vertically upward into the air at its highest point it suddenly
in a television picture tube electrons strike the screen after being accelerated from rest through a potential
an airplane propeller is 208 m in length from tip to tip and hasa mass of 117kg the propeller is rotating at 2400
a string fixed at both endsvibrates at a frequency of 12 hz with a standing transverse wavepattern containing 3 loops
water flows through a horizontal pipe of cross-sectional area100 cm2 at a pressure of 0250 atm the flow rate is 100
with the temperature held constant the piston of a cylindercontaining a gas is pulled out so that the volume increases
a 10 kg uniform ladder 80 m long is placed against a smooth wallat a height of 31 m the base of the ladder rests on a
a sphere of radius r starts from rest and rolls without slipping along a curved surface dropping through a vertical
two carts with masses m1 25 kg and m2 55 kg are movingtowards each other with velocities v1 4 ms and v2 3 msa if
a 185 kg mass is attached to a light cordthat is wrapped around a pulley of radius 360 cm which turns with negligible
a calculate the minimum wavelength x-ray that can be produced when a target is struck by an electron that has been
a small ball is attached to one end of a spring that has as an unstrained length of 200m the spring is held by the
in a wind tunnel the pressure on the top surface of a modelairplane wing is 86 x 104 nm2 and thepressure on the bottom
the speed of light in material a is 14 times as large as it is inmaterial b what is the ratio of the refractive indices
1 a sky diver with an open parachute approches theground with constant velocity there is no wind to blow him fromside
a hole is punched in a full milk carton 6 cm below thetop what is the initial velocity of out
a circular window of 30 cm diameter in a submarine can withstand a maximum force of 520 105 n what is the maxumim
a curve of radius 300 m is banked so that a car traveling 400kmh can round it even if the road is so icy that the