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A baseball is thrown upwards at a 45o angle with respect to the ground. Its initial speed is 25 meter per second. Determine how high above its starting point will it reach?
a pipe widens from having a radius of 1.00 cm to a radius of 4.00 cm. an end cap has a dozen holes in it. if the speed
A uniform 450N and 7m long ladder rests against a smooth wall making a 30degree angle with wall. A 750 N man can climb up to 2.75m up the ladder before it begins to slip. what is the frictional force on the ladder on the floor
A cork floating on a lake bobs up and down as a small wave passes. The cork completes 4.00 cycles in 4.00 s. The wave peaks are 8.1 cm apart. Discover the speed of the wave.
A glass jar submerged half-way is foating in a bathtub . Suppose that you start putting nickel coins in the jar. What is the maximum number of coins that one can put in the jar
A man and a woman start at the same location. The man walks North for 30 minutes and travels a distance of 2.2 km, he then walks West for 20 minutes and travels a distance of 1.8 km. What is the woman's average velocity
A 4.79 crate is suspended from the end of a short vertical rope of negligible mass. An upward force is applied to the end of rope, and the height of the crate above its initial position is given by + (0.61) what is the magnitude of the force when ..
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
A proton moving eastward with a velocity of 5.0 x 103m/s enters a magnetic field of .20 T pointingnorthward. What is the magnitude and direction of the force that acts on the proton?
How much energy can be obtained from conversion of 1.0 gram of mass? How much mass could this energy raise to a height of 0.23 km above the Earth's surface?. What is the speed of a proton accelerated by a potential dissimilarity of 112 MV?
Describe the characteristics of the pH scale. Compare and contrast acids and bases. Provide examples of some of the products that you know are basic and acidic in nature
An 8.70-cm-diameter, 340g solid sphere is released from rest at the top of a 1.50-m-long, 18.0 degree incline. What fraction of its kinetic energy is rotational
a step-down transformer produces a voltage of 6.9v across the secondary coil when the voltage across the primary coil
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