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How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 216 m run, starting and ending at rest?
You illuminate two slits 0.50 mm apart with light of wavelength 555 nm and observe interference fringes on a screen 6.0 m away. What is the spacing between the fringes on the screen?
Suppose the thickness of the membrane is quadrupled, but the resistivity and potential difference remain the same. How much current flows through the same area of membrane now?
What is the magnitude of the chicken's acceleration? What is and direction of the chicken's acceleration? How far did the chicken slide?
Find the required angular speed,w , of an ultracentrifuge for the radial acceleration of a point 2.80 cm from the axis to equal 600000 g (where is the acceleration due to gravity).
How much current, in mA, do you need to plate the statue in 4.08 hours? Assume that the atomic weight of gold is 197 amu.
Person jumps off building 4.0 meters high. when he strikes the ground, he bends his knees so that his torso decelerates over an approximate distance of .70 meters. The mass of his torso excluding h
When the watermelon reaches the peak of its flight, what is (a) its velocity, (b) its acceleration, (c) the elapsed time, and (d) its height above the ground?
A 20.0- projectile is fired at an angle of 60.0 above the horizontal with a speed of 80.0 . At the highest point of its trajectory, the projectile explodes into two fragments with equal mass, one o
A ray of light incident upon a mirror makes an angle of 42 with the mirror. What is the angle between the incident ray and the reflected ray?
If the camera is 50 above the ground when it is dropped, how long does it take for the camera to reach the ground?
What average force is needed to accelerate a 9.00-gram pellet from rest to 150 m/s over a distance of 0.900 m along the barrel of a rifle?
She had extended her arm as well as stood on her tip-toes to reach the box. Which primary muscle allowed Ann to extend her elbow and which two primary muscles allowed her to stand on her tip-toes? W
Police find skid marks 83 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was -10 m/s2 (about the maximum for dry pavement), how fast was the car
How fast were the swimmers moving when they hit the water? What would the swimmer's drop time be if the bridge were twice as high?
How much would it weigh on the moon 80.0 kg person weight on Mars, where the acceleration of gravity is 3.93 m/s2, and on Earth's Moon, where the acceleration of gravity is 1.63 m/s2?
You discover a binary star system in which one member is a15M Sun main-sequence star and the other star is a 10MSun giant. How do we believe that a star system such as this might have come to exist
How long will the car take to cross the canyon? (b) What is the maximum height of the cliff on the other side so that the car lands safely?
The mass of the Moon is 7.35 1022 kg, while that of the Earth is 5.98 1024 kg. The average distance from the center of the Moon to the center of the Earth is 384400 km. What is the size of the gravi
You discover a binary star system in which one member is a15M Sun main-sequence star and the other star is a 10MSun giant. How do we believe that a star system such as this might have come to exist?
What is the maximum height reached by the projectile? At what time after being fired does the projectile reach its maximum height?
a .25kg length of aluminum wire is warmed 10 clesius by an electric current. how much heat was generated by the current?
This time one of the pucks will have an additional mass (lead collar). Find the mass of the collar if the mass of the puck itself is 0.199kg and the mass of the second puck is 0.1995 kg.
A camel sets out to cross the desert, which is 23.9 km wide in the north-south direction. Calculate the camel's eastward displacement while he crosses the desert.
A string under a tension of 59N is used to whirl a rock in a horizontal circle of radius 3.9 m at a speed of 23.9 m/s. The string is pulled in and the speed of the rock increases. When the string i