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PhysicsQ&A LibraryAfter a great deal of experimentation, two college senior physics majors determined that when a bottle of French champagne is shaken several times, held upright and uncorked. its cork travels according to the function below, where s is its height (in feet) above the ground t seconds after being released. s(t) = - 16t +20t +6 %3D How high will it go?Start your trial now! First week only $4.99!*arrow_forward*

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Q: Could you solve 14th question please?

A: Dimension of length is L and dimension of time is T.

Q: Two waves, y1(t) and y2(t), have identical amplitudes and oscillate at the same frequency, but y2(t)...

A: Click to see the answer

Q: A bicycle tire is spinning clockwise at 2.00 rad/s. During a time period Δt = 1.70 s, the tire is st...

A: Given: A bicycle tire is spinning clockwise initially at ωi=-2.00 rad/s (negative sign for spinning...

Q: Two men pushing a stalled car generate a net force of 840 N for 5.0 s. What is the magnitude of the ...

A: Force is equal to rate of change of momentum. The initial momentum is zero since it is stalled.

Q: A falling package with a parachute is greatly affected by air resistance. Suppose a package (m = 25 ...

A: Given data: Mass of package is, m=25 kg. The altitude is of, y=1500 m. The speed is, v=45 m/s.

Q: Two resistors, one having a resistance of 900 kΩ, are connected in series to produce a total resista...

A: Let R1 and R2 be the two resistors connected in series. Let Rs be theequivalent reistance of R1 and ...

Q: T3 5.) If an object has constant velocity, then there are no forces acting on it. A.) True B.) F...

A: The given statement is false. There might be a force acting on an object and still can have constant...

Q: 5. An aviation fuel used by a piston engine aircraft transforms 100,042 J of energy through the foll...

A: Input energy by aviation fuel = 100042 JoulesHeat produced in the engine = 46721 JHeat used by trans...

Q: A wire is drawn through a die, stretching it to four times its original length. By what factor does ...

A: Given, Considering the original length of the wire as L, and new length as L1, L1=4L.

Q: Consider the spring mass system defined by the differential equation mx" + kx = Fex: (t) If m=0.5 kg...

A: Click to see the answer

Q: A mass m = 4.25 kg is at the end of a horizontal spring on a frictionless horizontal surface. The ma...

A: The expression for mechanical energy is, E=12kA2 (I) k=spring ...

Q: b. What is the acceleration of block A in the first 5.00 [s] if both blocks start from rest?

A: a. Free body diagram

Q: Jane has a mass of 40 kg. She pushes on a 50 kg rock with a force of 100 N. What force does the rock...

A: mass of jane = 40kg mass of rock = 50kg force Jane exert on rock = 100 N

Q: The typical pressure of carbon dioxide in an unopened soda can is 350. kPa. Calculate the typical pr...

A: Click to see the answer

Q: A cosmic ray electron moves at 7.50×106 m/s perpendicular to the Earth’s magnetic field at an altitu...

A: Radius of an electron will be given by following formula: r=mveB m = mass of the electron = 9.1×10-3...

Q: Suppose the resistance of a wire is 2 Ω. If the wire is stretched to three times its length, what wi...

A: Let us consider a wire having a resistance,(R) in Ohm. Also (ρ) be the resistivity of the wire in Oh...

Q: 1. In the Fahrenheit scale, the difference between the and lower fixed points is upper -degrees. 2. ...

A: Click to see the answer

Q: The motor in a toy car is powered by four batteries in series, which produce a total emf of 6.00 V. ...

A: Formula of current passing through the circuit is as follows: I=Vs-VbR-r ...

Q: T3 11.) A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was ...

A: mass of cannon = 1 kg initial horizontal velocity = 5 m/s initial height = 20 m Initial kinetic ener...

Q: FIGURE 1 shows a ball with a mass 400 g is moving horizontally at speed 13 m s', hits a wall and reb...

A: The mass of the ball m=400 g=0.4 kg The initial speed of the ball u=13 m/s The final speed of the b...

Q: During laser vision correction, a brief burst of 193-nm ultraviolet light is projected onto the corn...

A: Click to see the answer

Q: T3 7.) A basketball of mass 0.6kg is dropped from rest. Just before striking the floor, it has a mom...

A: Click to see the answer

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.85 m, rotating with an angular spe...

A: mass of child = 50 kg Radius = 2.85 m w ( angular speed) = 3.9 rad/sec

Q: Belly-flop Bemie dives from atop a tall flagpole into a swimming pool below. His potential energy at...

A: Click to see the answer

Q: At takeoff a commercial jet has a 45.0 m/s speed. Its tires have a diameter of 0.550 m. (a) At how m...

A: The speed of the jet, v = 45.0 m/s The diameter of the tires, D = 0.550 m Therefore, the radius of t...

Q: At what speed (in m/s) is the magnitude of a particle's relativistic momentum 15.3% larger than its ...

A: Let relativistic momentum is P' and classical momentum is P. we have to find speed for which P' = 15...

Q: The atmospheric pressure on top of Mt. Everest (elevation 29,028ft) is 0.329atm. Calculate the atmos...

A: GIVEN : Atmospheric pressure Patm=0.329 atm (a) Atmospheric pressure (mmHg) : 1atm = 760 mmHg Using ...

Q: A proton in a particle accelerator has a total energy that is 360 times its rest energy. (a) What ...

A: (a) The total energy of proton is, E=rest energy+kinetic enerft =mc2+γ-1mc2 ...

Q: An electron moves to the right with a speed of 0.84c relative to the laboratory frame. A proton move...

A: The formula for the velocity of a moving body in relativistic mechanics relative to the rest frame i...

Q: A physics major is cooking breakfast when he notices that the frictional force between the steel spa...

A: The frictional force between the steel spatula and the frying pan is f = 0.450 N. The coefficient of...

Q: In terms of the direction of force, we use the left-hand rule. Pointing your thumb in the +x-directi...

A: The wire carries current along the positive Y-direction. A magnetic field is created surrounding the...

Q: A bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s. If the...

A: Click to see the answer

Q: A 0.50-kg object moves on a horizontal frictionless circular track with a radius of 2.5 m. An extern...

A: Given data The mass of the object is m = 0.50 kg. The radius of the circular track is r = 2.5 m. Th...

Q: Let's assume that the Moon’s orbit around the Earth is a circle with radius 386,000 km and that the ...

A: Click to see the answer

Q: .A military aircraft that has a mass of 1.21 x 10' kg accelerates at 316 m/s for 15 seconds from an ...

A: Click to see the answer

Q: A ball is thrown upward and returns to the ground 8 seconds later. a. With what velocity was the...

A: Given, Time, t=8 sec.

Q: Problem The coefficient of friction between blocks is us = 0.4, at what angle will the block start s...

A: Click to see the answer

Q: A child places a picnic basket on the outer rim of a merry-goroundthat has a radius of 4.6 m and rev...

A: (a) The speed of the point on the rim is given by, v=2πrT Here, r is the radius of the merry-go-roun...

Q: An electric field of magnitude 5.25 ✕ 105 N/C points due south at a certain location. Find the magni...

A: Click to see the answer