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The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height?
As a 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00cm down to 0.50cm, the temperature inside increases from 20C to 210C. Determine the air pressure inside the chamber (in atm) after compression if the..
A balloon is filled with helium at a pressure of 2.4 x 10^5 pa. The balloon is at a temperature of 18 degrees C and has a radius of 0.25 m. By what factor does the radius of the balloon increase
If the surface of the water is calm and the pool is h = 1.52 m deep, find out the minimum diameter of the raft that would prevent the diamond from being seen.
The acceleration g due to gravity is measured in two experiments. In the first experiment, the value of g was measured to be 9.85 m/s2. In the second experiment, g was 9.70 m/s2.
A sound wave in air has a frequency of 500 Hz and a wavelength of 0.68 m. What is the air temperature
On an ice rink, two skaters of equal mass grab hands and spin in a mutual circle once every 2.6s. how hard are they pulling on one another
An object fired at an angle of 35.0(degrees) above the horizontal takes 1.87s to travel the last 11.4m of its vertical distance, With what velocity was the object launched
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
A positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged, horizontallyoriented plates spaced 16 cm apart.
The lens of a slide projector with a focal length of 100.0 mm projects a slide onto a screen that is 10.0 m away. How far from the lens must the slide be placed to form a sharp image on the screen?(in cm)
An electron is accelerated from rest in a uniform electric field of intensity 420 N/C. Find the following: its velocity and kinetic energy after 3.0 nanoseconds. the distance it travels during the time interval
A hollow sphere of negligible mass and radius R is completely filled with a liquid so that it's density is p. What is the density of the enlarged sphere
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