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Q1. How much would an 80.0 kg person weight (a) on Mars, where an acceleration of gravity is 3.93 m/s2, and (b) on Earth's Moon, where the acceleration of gravity is 1.63 m/s2?
Q2. A 172 ball is tied to a string. It is pulled to an angle of 3.30 and released to swing as a pendulum. A student with a stopwatch finds that 15 oscillations take 18.5.
Q3. A 220 g air-track glider is attached to a spring. The glider is pushed in 12cm against the spring, and then released. A student with a stopwatch finds that 16 oscillations take 11.5.
How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in.
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck, What is the speed of the truck when they are abreast, How far was the automobile behind the truck initially
How much time does the ball spend in the air. What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits green.
A rubber balloon filled with air is rubbed against a wool sweater and acquires a negative charge. The balloon is placed up against a flat wall and released. The balloon stays stuck to the wall. How is this possible if the wall is not charged in an..
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
Suppose you lower the object a distance 0.246 m (in the same direction the field is pointing). What is the work done by the electrical force
The discovery of a star orbiting the center of our galaxy with a 15-year period has led to the finding, calculate the semimajor axis of the star's orbit
Two positive point charges, each of which has a charge of 4.3E-9 are located at y=+.10m and y+-.10m, What is the direction of this force
A man is racing with his son has half the kinetic energy of the son, who has half the mass of the father. What is the original speed of the Man
Your plane reaches its takeoff runway and then holds for 5.0 min because of air-traffic congestion. What is its takeoff speed
In a women's 100-m race, accelerating uniformly, Laura takes 1.87 s and Healan 3.12 s to attain their maximum speeds, find the maximum distance by which Healan is behind Laura
Find out the difference in potential between the birds feet.
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