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A kangaroo can jump over an object 2.6 m high. Calculate its vertical speed when it leaves the ground
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 10 cm and outer radius 20 cm has magnitude 445 N/C, what is the charge on the inner surfa
At 18°C, a brass cube has an edge length of 32 cm. What is the increase (in square cm) in the cube's surface area
What is the magnitude of the shell's acceleration just after it is released? What is the speed of the shell at this time
Two small plastic spheres are given positive electrical charges. When they are a distance of 14.8cm apart, What is the charge on the second sphere
A boat moves 15 .0 km across a lake in 30.0 min. What is the average speed of the boat in kilometers per hour
A water molecule, which is electrically neutral but has a dipole moment of magnitude p = 6.20·10-30 C m, Calculate the magnitude of the net force
A cube of ice is taken from the freezer at -7.2 ?C and placed in a 115g aluminum calorimeter filled with 318g of water at room temperature of 20.0 ? C. What was the mass of the ice cube
A car starts from rest and travels for 4.92 s with a uniform acceleration of +1.49 m/s2. How far has the car gone
A particle with charge of 16.1 µC is placed at the center of a spherical shell of radius 29.0 cm. find the total electric flux through the surface of the shell
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 3.6 µm. What is the magnitude of the dipole moment
A bottle with a volume of 194 U. S. fluid gallons is filled at the rate of 1.9 g/min. How long does the filling take
A car driving at 20 m/s is approaching a stoplight. As the stoplight turns red, the driver decides that the car is going too fast to stop at the white line and hits the brakes hard. How fast was the
Two charges, -3.5?C and -4.4?C , are located at (-0.70m , 0) and (0.70m , 0), respectively. find the location of the point where the electric field is zero
An exoplanet with a mass of 5 times the mass of Jupiter and a radius of 2 Jupiter radii orbits a 3 solar mass star a distance of 10 AU from the star. estimate the orbital velocities of the star and
An electron has an initial velocity of 4.9 • 106 m/s in a uniform 1.9 • 105 N/C strength electric field. How far does the electron travel before coming into rest in m
What is the direction of an electric field that will balance the weight of a 3.7g plastic sphere that has been charged to -3.1nC ? Upward or Downward
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 28.9 m/s. Find the airplane\'s acceleration
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the horizontal force in N
If the surface area of a human is 1.7 m^2 and each square inch of skin contains 75 pressure sensors
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 1.69 km away. What distance did the dog run
The catapults on the USS George H.W. Bush can launch aircraft from rest to a speed of 150 mph over a distance of 270 feet. Find the acceleration of the aircraft
A 1.90-cm-high object is situated 19.2 cm in front of a concave mirror that has a radius of curvature of 11.1 cm. Calculate the location and the height of the image
A time-dependent force, Fvecbold = (7.50i hat bold ? 4.05tj hat bold), How far is the object from its initial position when its speed is 15.0 m/s
Your are sitting in your car, which is standing at the side of the road with the engine idling. After what distance will you catch up with your classmate