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a 2.0kg projectile if fired with initial velocity components Vox= 30 m/s and Voy= 40 m/s from a point on the earth's surface. Neglect any effects due to air resistance.
What is the kinetic energy of the projectile when it reaches the highest point in its trajectory?
q1. a 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. find the image position and
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
To help you think about how illuminance varies with distance, suppose a small light source is placed at the center of two transparent spheres. how much of the light passes through the first sphere
An RC circuit with 2.50 ?F and 7.60 M?? includes a 6.00 volt source, What is the time constant for charging the capacitor
An aluminum sphere is 5.50 cm in radius. What is its volume expansion coefficient if it increases in volume 2.00 cm3 when heated from 100 oC to 151oC
In a physics lab experiment, a student immersed 201 one cent coins (each having a mass of 3.00) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.240 of water at 20 in an insulated contai..
a room measures 50x3020. the dilution volume flow rate is 3000 cfm. at 800 am the concentration of a contaminant is 50
I lift a 3 kg rock up and place it on a table 2 meters above the ground. How much gravitational potential energy does the rock have
What is magnitude of the change in the magnetic field
The period of a pendulum is 0.215 s on Earth. The period of the same pendulum is found to be 0.467 s on planet X, whose mass is equal to that of Earth.
A solid disk of mass m1 = 9.5 kg and radius R = 0.18 m is rotating with a constant angular velocity of ω = 39 rad/s. What average torque was exerted on the rod by the disk
a pendulum has a mass of 0.5 kg and starts at a height of 0.3m. if it is released from rest how fast is it going
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