Sunday
December 4, 2016

# Posts by Bird

Total # Posts: 19

math
Renting a truck costs \$55.00 per day and \$0.38 per mile when the driver goes beyond the 40 free miles allotted. How much would Samantha pay when renting the truck for 2 days and driving a total of 94 miles?
August 14, 2016

Math
Calvin and Brain drive at a speed of 70 km/h and 80 km/h respectively. Calvin sets off from City A. Brain sets off from City B. The distance between the City A and City B is 300 km. If they set off at the same time towards each others, when will they meet?
May 1, 2016

Chemistry
How much heat is required to raise the temperature of 53.5g of water from its melting point to its boiling point?
November 4, 2012

RPCC
a sample gas has a volume of 200 cubic cm at 25 C and 700 mmHG. If the pressure is reduced to 280 mmHg, what volume would the gas occupy at the same temperature?
March 31, 2011

Spanish
64. c 65. b 66. a 67. c 68. d 69. a However, if question is asking for the opposite the answer is b
March 23, 2011

physics
A proton (mass=1.67*10^-27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward with a velocety of 2....
February 20, 2011

physics
A proton (mass=1.67*10^-27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward with a velocety of 2....
February 20, 2011

Physics
a 20kg box is pulled across ahorizontal surface with aforce of 100nt. The coefficient of friction is .3 (a) find the acceleration. (b) how far will the box move in 5 sec. (c) What is the velocity at this time?
January 30, 2011

physics
An automobile weighing 15000n crashes into a wall with a velocity of 5m/sec. If the car moves .15m before coming to a stop, what average force does the car exert? on the wall?
January 27, 2011

physics
A crank .25m long turns a shaft with a diameter of 3cm around which part of a rope is wound. One end of the rope hangs free and supports a weight of 4200nt. (a) What torque does the weight exert on the shaft? (b) WHat torque must be exerted on the crank to keep the system in ...
January 19, 2011

physics
THe steering wheel of a car has a diameter of 60cm and turns a shaft 4cm in diameter (a) If a 90nt force is needed to turn the wheel, what torque is exerted on the wheel? (b) What force is applied tangentially to the surface of the shaft?
January 19, 2011

Physics
A crank .25 long turns a shaft with a diameter of 3cm around which part of a rope is wound. One end of the rope hongs free and supports a weight of 4200nt. (a) What torque does the weight exert on the shaft? (b) What torque must be excerted on the crank to keep the system in ...
January 19, 2011

physics
A tapering wooden telegraph pole is 15ft long and its center of gravity is 6ft from one end. It weighs 400lbs. What force is required to lift each end?
January 18, 2011

physics
A suspension bridge supported by a cable 100ft long has a sag of 10ft at its center. If the bridge has a weight of 20,000 lbs and its center of mass is the center of the bridge, what is the tension on the cable?
January 17, 2011

Light travels about 1 mile in 0.000005 seconds. if a spacecraft could travel at this speed, it would travel almost 10*6 miles in 5 seconds. About how far would this spacecraft travel in 50 seconds?
October 21, 2010

Physics
If you are 2.0 s from being directly under a window that is 11 m above the sidewalk your standing on, and someone throws a water ballon will you get hit?
September 16, 2010

Physics
Whatis the volume of a piece of iron (p= 7.9g/ cm cubed) that has a mass of 0.50kg?
September 8, 2010

CJS 240
that people need to get more involved
April 17, 2010

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