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You walk for 6.44 km with at a constant velocity of 2.55 m/s due west, turn around, and then walk with an average velocity of 0.465 m/s due east. From your starting point to your destination, your overall average velocity is 1.21 m/s due west. During the trip, how far east did you walk?
Heat flows from a reservoir at 373 K to a reservoir at 273 K during a 0.34-m copper rod with a cross-sectional area of 9.10 10-4 m2 (see the drawing).
A lightbulb filament has diameter 5.70×10?2 mm and carries 0.857 A. Find the current density in the filament
A dentist uses a mirror to examine a tooth that is 1.25 cm in front of the mirror. The image of the tooth is formed 10.0 cm behind the mirror. Decide the mirror's radius of curvature. Determine the magnification of the image.
A rugby player passes the ball 7.75 m across the field, where it is caught at the same height as it left his hand. At what angle was the ball thrown
A projectile is projected from the origin with a velocity of 25.0 m/s at an angle of 50.0 degrees above the horizontal. What is the time of maximum height of the projectile? A.)2.03 s B.)3.45 s C.)1.95 s D.)2.67 s E.)3.01 s
A boy throws directly downward in ideally elastic ball from theheight 4.80m. If the initial speed of the ball is 4.4m/s, what is the speed when it hits the floor
determine the properties required amp show your work.substance given
A motorcycle and a police car are moving in the same direction, with the motorcycle in the lead. What frequency does the motorcyclist hear in this case
An RLC circuit consists of a 218 resistor, a 45 ?F capacitor, and a 298 mH inductor, What is the phase angle between the current and the applied voltage
A rock is thrown directly upward from the edge of the roof ofa building that is 37.5 m tall. calculate With what speed the rock was thrown
Newton's universal constant of gravitation is G = 6.67 × 10-11 meters cubed (m3) per kilogram per second per second. The Sun's mass is M = 1.9891 x 10^30 kilograms. Earth's orbital period is P = 365.256366 days. Obtain the average radius of Earth's o..
Two automobiles, each of mass 1.500*10^3 kg, travel in the same direction along a straight road. find the translational kinetic energy of the center of mass
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