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Three 10.53-g Styrofoam balls of radius 2 cm are coated with carbon black to make them conducting, Determine the absolute value of q
A red blood cell typically carries an excess charge of about -2.5 × 10-12 C distributed uniformly over its surface. What is the surface charge density on the red blood cell
What is the total charge of the uranium nucleus? (The neutral uranium atom has 92 electrons.), What is the magnitude of its electric field at a distance of 1.48×10-10 m from the nucleus
An electric field E with an average magnitude of about 150 N/C points downward in the atmosphere near Earth's surface. What charge (both sign and magnitude) must be used
Sgt Jay sits in a hovercraft 35.2 m above the surface of the planet Bai. The acceleration due to gravity at the Bain surface is 5.67 m/s^(2) down. What is Jay's velocity at t = 4.32s
consider a model rocket that is lunched in a vertical direction. Nelected air resistance and changes in its mass , m. determine the mamimum alttiude
The mass of a copper atom is 1.06 x10^25 kg, and the density of copper is 8 920 kg/m3. Find the edge dimension of each cube
A motorist drives along a straight road at a constant speed of 22.0 m/s. Just as she passes a parked motorcycle police officer, Find the speed of the officer as he overtakes the motorist
Kathy tests her new sports car by racing with Stan, an experienced racer. Both start from rest, Find the distance she travels before she catches him
A certain automobile manufacturer claims that its deluxe sports car will accelerate from rest to a speed of 44.5 m/s in 8.45 s. Determine the average acceleration of the car
A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.9t ? 3.5t2with x in meters and t in seconds. Determine its position when it changes direction
A speedboat moving at 35.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy
You throw a ball straight down from an apartment balcony to the ground below. Find the height of the balcony
Two slits spaced 0.410mm apart are placed a distance of 71.0cm from a screen. What is the distance between the second and third dark lines of the interference pattern on the screen
Neglect air resistance and muscle atrophy and assume the same upward normal reaction force as on earth: how far could she long jump on the moon
Vectors A and B have scalar product -3.00 and their vector product has magnitude 5.00. What is the angle between these two vectors
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 13.0 s and then move with an acceleration of -2.1 m/s2 for another 13.0 s. How far do you go during the whole trip
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked. how far did they skid
A ball is thrown vertically upwards with an initial velocity of 21.84 m/s. Neglecting air resistance, how long is the ball in the air? What is the greatest height reached by the ball
Suppose a ship heads directly north away from the docks in a harbor at a speed of 5.00 km/h. what is the Distance from dock
An elevator can lift a 113 N aircraft a distance of 28 meters in 10 s. what is the power output of the elevator
A delivery man travels 34.0 m north, 23.0 m east, 12.0 m south, then takes an elevator 32.0 m up into a building. What is the magnitude of his displacement
You are on an unknown planet orbiting an unknown star. When the 108 cm long camera is pointed at the star an image is formed that is 1 cm in diameter, what is the diameter of the star
Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. What is the magnitude of the charge on each sphere
A 11.2 kg object oscillates at the end of a vertical spring that has a spring constant of 1.90 104 N/m. Calculate the frequency of the dampened oscillation