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A block with mass, m1= 15 kg rests on a level frictionless surface and is attached by a light string to a hanging block with mass, m2= 7.5 kg where the string passes over a massless frinctionless pulley. Recall that g = 9.8 m/s2.
Find the accerleration of the system and the tension in the connecting string.
an object is thrown upward with a speed of 12 ms on the surface of planet x where the acceleration due to gravity is
a helicopter has 3.0 m long rotor blades rotating at an angular speed of 63 rad/s. What is tangential speed of each blade tip
An object is located 21.4 cm to the left of a diverging lens having a focal length f = -34.2 cm. Determine the magnification of the image
The measure pressure at the bottom of a cylinder of liquid is 0.70 atm. The liquid is poured into another cylinder by twice the radius of the first cylinder. What is the measure pressure at the bottom of the second cylinder?
A 67.3 ice skater moving to the right with the velocity of 2.52 throws a .151 snowball to the right with a velocity of 33.7 relative to the ground. What is velocity of the ice skater after throwing the snowball.
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 5.00 ?F. evaluate the dielectric constant of the inserted material
On a safari, you are spearfishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 64.0° below the horizontal in air, and suppose the spear follows a straight-line path through the air and water afte..
A low speed wind tunnel has an inlet cross sectional area of 2m2 and a test cross sectional area of 0.5m2. What is the inlet velocity
Acharge of q= +7.50μC is located in an electric field. The x andy components of the electric field are Ex = 6.00 * 10^3 N/C and Ey= 8.00x 10^3 N/C, respectively, What is the magnitude of the force on the charge
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
If an electron is released from rest in a region of space with nonzero electric field, does the electric potential energy increase or decrease and by what amount does this change?
In the troposphere, the part of the atmosphere that extends from the surface to an altitude of about 11 km, calculate the pressure p at height y=8863m
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