QUESTIONS AND ANSWERS

Question A body moving at 20 m/s decelerates uniformly at 5m/s2 till its speed becomes 10 m/s. The distance covered within this period is Answer… Read More »A body moving at 20 m/s decelerates uniformly at 5m/s2

Question Calculate the number of moles of an ideal gas of volume 12.0 meter cube at a pressure of 6 x 103 Nm-2 and 27… Read More »Calculate the number of moles of an ideal gas of volume 12.0 m^3

Question What does vo mean in physics? Answer The symbol vo is correctly written as V0 or v0. We write the zero sign as a… Read More »what does vo mean in physics?

Question A projectile is launched at an angle of 30 degrees with a horizontal and a speed of 30 m/s. How much time does it… Read More »A projectile is launched at an angle of 30 degrees with a horizontal and a speed of 30 m/s. How much time does it spend in the air?

Question What is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)? Answer The final answer to… Read More »what is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)?

Question An Object is 1.0 cm tall and its inverted image is 5.0 cm tall. what is the exact magnification? Video Solution to “An Object… Read More »An Object is 1.0 cm tall and its inverted image is 5.0 cm tall. what is the exact magnification?

Question: A pump lifts 30 kg of water a vertical distance of 20 m each second. what is the power output? Answer The answer to… Read More »A pump lifts 30 kg of water a vertical distance of 20 m each second. what is the power output?

Question on a missile is flying at a speed of 125 m/s A missile is flying at a speed of 125 m/s. If the missile… Read More »A missile is flying at a speed of 125 m/s

Question A bullet is shot horizontally from shoulder height (1.5 m) with an initial speed of 200 meters per second. (a) How much time elapses before the bullet… Read More »A bullet is shot horizontally from shoulder height

Answer: The answer to this question (is velocity 0 at max height) is yes. The velocity of an object at maximum height is zero. Explanation… Read More »is velocity 0 at max height

Question While driving in your pickup truck down Highway 280 between San Francisco and Palo Alto, a meteorite lands in your truck bed! Despite its… Read More »While driving in your pickup truck down Highway 280

Question What is the linear momentum of a truck of mass 5000 kg that is speeding at 30 meters per second? {Answer: Linear momentum of… Read More »What is the linear momentum of a truck of mass 5000 kg

Question A small rock with a mass of 0.20 kg is released from rest at point A which is at the top edge of a… Read More »A Small Rock with Mass 0.20 kg is Released

Question 1: A photon with an energy of 1.33 x 10-21 Joules has a frequency of? Answer The answer to this question is 2.01 x… Read More »A photon with an energy of 1.33 x 10^-21 Joules has a frequency of