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A flat horizontal surface with an area of 505 cm2 is inside a uniform electric field of 1.40×104 N/C. The angle between the area vector and the electric field is 35.6°. What is the electric flux through the surface?
Charge q1 = 5.47*10^-8 is placed at the origin. Charges q2 =-1.45*10^-8 C and q3 = 1.95*10^-8 C, Determine the direction of the net electrostatic force on charge q3
a stel cable is used to keep a 2 m long 10 kg bar horizontal. one end of the bar is mounted to a wall. what tensional force now acts on the bar through the cable
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 190 MeV, and the relative biological effectiveness (RBE) of this type of radiation is 16. How many nuclei are in the beam
question1an arrow is fired with a speed of 18.0 ms at a block of styrofoam resting on a smooth surface. the arrow
To develop muscle tone, a woman lifts a 4.50 kg mass held in her hand. She uses her biceps muscle to flex the lower arm through an angle of 60.0°. How much work does she do
When serving a tennis ball, the player hits it when its velocity is zero (at the highest point of a vertical toss). find the mass of the ball
A dentist's mirror is placed 3.1 cm from a tooth. The enlarged image is located 6.3 cm behind the mirror. How is the image oriented relative to the object
A scuba diver is 32 m below the surface of a lake, where the temperature is 5°C. What is the volume of the bubble right before it breaks the surface
a solid cylinder (M=2.07 kg, R=0.117 m) pivots on a thin, fixed, frictionless bearing. Calculate the angular acceleration of the cylinder
The wheel weighs 70 kg, and is 120 cm in diameter. you mount the wheel by its central axis, What is the angular velocity of the wheel at the end of the fall
In the system shown in the figure below, a horizontal force F with arrowx acts on an object of mass m2 = 8.60 kg. The horizontal surface is frictionless. Consider the acceleration of the sliding object as a function of Fx.
Consider an insulated enclosed volume of 27m^3 containing dry air at 23 degrees celsisus and 980mb, What is the specific volume and mass of the air sample
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