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Problem: The free-fall acceleration at the surface of planet 1 is 20m/s^2 . The radius and the mass of planet 2 are twice those of planet 1.
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Question: What is the free-fall acceleration on planet 2?
The far point of a nearsighted person is 5.0m from her eyes, and she wears contacts that enable her to see distant objects clearly. A road sign is 20.0m away and 2.5m high, (a) When she looks through the contacts at the sign, what is its image dis..
A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds, Find the average net force of the ball
The drawing shows three different resistors in two differentcircuits. The battery has a voltage of V = 27 V,and the resistors have resistancesof R1 = 50.0Ω,R2 = 25.0 Ωand R3 = 10.0 Ω. Determine the current through and the voltage across each resist..
Find the airplane's acceleration and calculate how much time elapses while the airplane covers those 47700 m.
A liquid in a cylinder has a volume of 1200 cm3 at 1.25 MPa and a volume of 1188 cm3 at 2.50 MPa. Determine its bulk modulus of elasticity.
the projection lens in a certain slide projector is a single thin lens. a slide 23.9 mm high is to be projected so
Two charges of equal magnitude exert an attractive force of 6.5×10-4 N on each other. If the magnitude of each charge is +2.1 µC, How far apart are the charges
An intergalactic rock star bangs his drum every 1.10 s. A person on earth measures that the time between beats is 2.10 s
The actual person (not his or her image) is the object, and the object (person) is behind (outside) the van. The object distance is positive (since it is a real object), and light is traveling from the object (the person), through the lens, and to..
a particular organ pipe can resonate at 264 hz 440 hz and 616 hz but not any other frequencies in between.a what is the
Consider a bright star in our night sky. Assume its distance from Earth is 89.4 light-years (ly) and its power output is 4.00 multiply.gif 1028W, Find the intensity of the starlight at the Earth
What is a gyroscope? Discuess the role of angular momentum in operation of a gyrosope. Provide examples of pratical applications of gyryscopes
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