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A 43.0kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75m higher than the surface of the water and the ramp is inclined at an angle of 35.0 ?above the horizontal.
A.) If the seal reaches the water with a speed of 4.40 m/s, what is the work done by kinetic friction?
B.) What is the coefficient of kinetic friction between the seal and the ramp?
The two plates of a capacitor hold +2510 uC and -2510 uC of charge, respectively, evaluate the capacitance
Biometric measurements indicate that each hand typically makes up about 1.25% of body weight. What horizontal force should her wrist exert on her hand.
What is the maximum height, y2, if the object is thrown with a speed of v2 = 1.99v1 from the surface of Jupiter's moon Io? The acceleration due to gravity on Io is g2 = 1.79 m/s2. Give the reply as a multiple of y1.
The current in a coil drops from 3.4 A to 2.8 A in 0.51 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
An Ar+ laser emits radiation at a wavelength of 515 nm, and a power of 7 W. Determine how many argon ions
You're an accident investigator at a scene where a drunk driver in a 1900 kg car has plowed into a 1800 kg parked car with its brake set. What do you report for the drunk driver's speed just before the collision
Derive from the Uncertainty Principle a formula for the relative spread of the spectral line that corresponds to the longest wavelength of the Lyman series.
A concave makeup mirror is designed so the virtual image it produces is three times the size of the object, What is the radius of curvature of the mirror
A race car starts from rest on the circular track of radius 455m. The car's speed increases at the constant rate of 0.480m/s2. At the point where magnitudes of the centripetal and tangential accelerations are equal.
A pop bottle style instrument is played being open at one end closed at the other, if two successive frequencies, 350 Hz and 490 Hz, are produced, what is the fundamental frequency,
A suitcase is pulled by a tether that makes a 60 degree angle with the horizontal. what is the magnitude of the pull
A semicircle of radius a is charged.positive charge +Q is distributed uniformaly around the left half of the semicircle, what are the magnitude and the direction of the electric field
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