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A spring with k = 55 N/m hangs vertically next to a ruler. The end of the spring is next to the 15 cm mark on the ruler. If a 2.1 kg mass is now attached to the end of the spring, where will the en
Six artificial satellites circle a space station at constant speed. The mass m of each satellite, distance L from the space station, and the speed v of each satellite are listed below. The satellite
Compare asexual and sexual reproduction in bread mold. At what stage does meiosis occur?
The distance from the Earth to Polaris is approximately 7.576 10^18 m. How long would it take to disappear from our vision if it were to burn out today? Answer in units of years.
What is a protein which interferes with the lytic cycle of biology?
Young's double-slit experiment is performed with 582 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.72 mm from the central maximum.
A rope is tied to a 46.0kg box on frictionless ice. What is the tension of the rope if the box is at rest? the box moves at a steady vx=5.20m/s? the box vx=5.20 and ax=5.2m/s^2?
A submarine dives 120.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of the submarine's displacement? (Assume that upward and the direction of the
Consider the system shown in the figure below with m1 = 24.0 kg, m2 = 14.6 kg, R = 0.140 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.60 m above t
Discuss to what extent nature ( inherited or genetic factors ) contribute to a person,s development (biological, emotional , cognitive and social development) and to what extant it is the result of
What is the difference between a dihybrid cross and a monohybrid cross
A certain loudspeaker has a diameter of 45 cm. At what frequency will the wavelength of the sound it emits in air be equal to its diameter?
Explain dynamic equilibrium in spineless potato experiment
Coherent light that contains two wavelengths, 660 nm and 470 nm , passes through two narrow slits with a separation of 0.350 nm and an interference pattern is observed on a screen which is a distan
You and a friend each drive 50.0 km. You travel at 85.0 km/h; your friend travels at 98.0 km/h. How long will your friend wait for you at the end of the trip?
What is biological psychology and examine its historical development.
A proton moves at a speed of 8.0 103 m/s as it passes through a magnetic field of 0.55 T. Find the radius of the circular path. Note that the charge carried by the proton is equal to that of the ele
A race car has a mass of 719 kg. It starts from rest and travels 36.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it?
What is Fx if the magnitude of the skier's velocity is (a) constant, (b) increasing at a rate of 1.0 m/s2, and (c) increasing at a rate of 2.0 m/s2.
What is the EMF in the secondary circuit? B. The current in the secondary circuit is 0.50 A. What current is in the primary circuit?
Two sound waves, from two different sources with the same frequency, 495 Hz, travel in the same direction at 339 m/s. The sources are in phase. What is the magnitude of the phase difference of the
What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoff run of 290 m?
Would you expect to find sclerenchyma cells near meristems?
Would you oppose having a hazardous waste landfill, waste treatment plant, deep-injection well, or incinerator in your community? for each of these facilities, how do you believe the hazardous waste g
The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?