A ball thrown upwards reaches a maximum height and then comes back down to the original level. When a body moves in circular motion at constant speed
a. the velocity and acceleration point in the same direction
b. the velocity and acceleration point in opposite directions
c. the velocity and acceleration point perpendicular to each other
d. the acceleration is zero
e. none of the above
C
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Thermodynamic Processes: The figure shows a pV diagram for 2.6 g of ideal helium gas that undergoes the process 1 ? 2 ? 3. Find the value of volume V3. The atomic mass of helium is 4.0 g/mol, and R = 8.31 J/mol ? K.
A. 25 L B. 99 L C. 50 L D. 12 L
A falling 1-N apple hits the ground with a force of about
A) 1 N. B) 2 N. C) 4 N. D) 10 N. E) need more information
Explain the process through which kinetic energy is lost in an inelastic collision
What will be an ideal response?
If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length –15.0 cm, how far is the object from the mirror?
a. 30.0 cm c. 3.00 cm b. 6.00 cm d. 17.1 cm