Find t= sqrt (2s/g) Given s = -93.00 ± 3.00 , g = -9.8 (take this as an exact number). t = __±__

Q: Gulf Stream off the east coast of the United States can flow at a rapid 3.2 m/s to the north. A ship…

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Q: Part B What is VR at 2.12 ms? Express your answer with the appropriate units. VR HÅ Value Submit…

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Q: A cement block accidentally falls from rest from the ledge of a 66.5-m-high building. When the block…

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Q: A football is kicked 60.2 meters. If the ball is in the air 5.50 s, with what initial velocity was…

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Q: What is the total energy of the Earth-Sun system? The Earth has a mass of about 6.0 x 1024 kg, and…

A: The mass of the Earth: me=6.0×1024 kg The mass of the Sun: ms=2.0×1030 kg The speed of the Earth:…

Q: The energy of a “red” photon emitted from a HeNe LASER is 3.134x10-19 J. Calculate the total energy…

A: E=3.134×10-19J (Energy of red photon from He Ne laser) To find: total energy of  a) 1 dozen photons…

Q: 5. An unknown charged particle (an electron or proton) is placed at point A between two parallel…

A: Initial velocity (u) = 0 msFinal velocity (v) = 1.4×105 msThe magnitude of charge (q) = 1.6×10-19 C…

Q: Which of the following has the greatest gravitational energy with respect to the A. 6 kg mass placed…

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Q: A car laps a race track in 84 seconds. The speed of the car at each 6-second interval is determined…

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Q: = 9.16 Att = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular…

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Q: Two objects feel a gravitational force of 948 N when separated by a distance of 7x106.46 meters.…

A: Given Data: Gravitational force Fg=948 N Distance r=7×106.46 m Mass of the first object m1=2.63×1024…

Q: Two horizontal plates of opposite charge form a constant electric field = 1000 N/C directed…

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Q: One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which…

A: Given:-  The radius of the circular lake is R = 1.05 km  They start at the west side of the lake and…

Q: Object 1 has an initial velocity of 6.0m/s [E] Object 2 has an initial velocity of 2.0m/s [E] Object…

A: Velocity of object 1 before collision is u1=6 m/s towards east direction. Velocity of object 2…

Q: A 83.8-kg boy and a 59.4-kg girl, both wearing skates face each other at rest on a skating rink. The…

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Q: involving calorimetry? The set up is: How many kilocalories (kcal) of heat are required to…

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Q: A soccer ball is placed at the edge of a 10 m tall cliff. At t=0s, George kicks the ball…

A: The ball is placed on the edge of a cliff, which has a height of 10 m At t=0 s, the ball is kicked…

Q: a) Calculate the impedance (Z) of the circuit shown in the figure on the side considering the two…

A: Based on the information you provided, I assume the circuit consists of a resistor R1, a resistor…

Q: You are in charge of keeping the gravity "on" at the space station (we will cover how you do this…

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Q: length of Aluminum wire is subjected to a tension of 779 N. Determine the radius of the wire used if…

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Q: What is the momentum in kg · m/s of a garbage truck that is 1.00 ✕ 104 kg and is moving at 31.0 m/s?…

A: Mass of truck is m=1×104 kg Velocity is v=31 m/s Mass of trash is m'=8 kg Find: Part(a): Momentum of…

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Q: We have seen how light can be modeled as a particle and as a wave. Why is light sometime…

A: Particle wave duality means that when a particle is moving with a speed, then it emits a wave. This…

Q: Why is the sky blue? Our eyes are not very sensitive to violet light. O The molecules and atoms in…

A: The basic process in the scattering of light is the absorption of light by the molecules by its…

Q: The Σ− b (5816 MeV) resonance has a lifetime of 1.3 × 10^−22 s. What is its decay width? Help…

A: Lifetime of Σ− b particle, τ=1.3×10-22 s Our question is to find the decay width (Γ).

Q: of yours was making ing mea irements large solenoid that is connected to an ac voltage source.…

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Q: What are the benefits of the X -ray ?

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Q: A piece of resistance wire 15.6m long and of a cross section area 12mm² passes a current of 7.9A…

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Q: How would you rearrange that equation for m_0

A: R = V(L/D)Cln (11-mf/mo)DCRVL= ln(11-mf/m0)11-mf/m0 = eDCRVL

Q: calculate, z = x + y

A: In this question we have to calculate z = x + y using the given values and uncertainties, we can…

Q: If the applied load is 49 kN, determine the new diameter of the specimen.

A: Given:-  G = 28 Gpa diameter of specimen = 12.5mm Gauge length = 50 mm Given diagram:-…

Q: Consider the following examples regarding distance, displacement, speed and velocity a. A track…

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Q: What is the rms speed (in m/s) of a helium-3 atom in an ideal gas at a room temperature of 300…

A: Atom : Helium - 3 Temperature (T)= 300 k mass (m) = 3.016 u 1 u = 1.66×10-27 kg kB = 1.38×10-23 Jk

Q: If a lamp has a resistance of 1200 when it operates at 100 W. It is plugged into a power source with…

A: Resistance(R)=120 ohms power used(P)= 100W we have to find, current(I) and voltage(V).

Q: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of the CD,…

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Q: A radio wave has a wavelength of 2.1 meters. What is the frequency of this wave?

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Q: A football is kicked with an initial velocity of 9.1 m/s at an angle of 27.8°. If it hits the ground…

A: The initial velocity of the football, u=9.1 m/s The angle of projection, θ=27.8° The time taken to…

Q: 1- Write down a relation to find the magnetic force acting on a current carrying conductor and draw…

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Q: According to the kinetic molecular theory, gases are composed of numerous particles in constant…

A: According to the kinetic molecular theory, the pressure exerted by a gas is directly related to the…

Q: (a) What is the efficiency of an out-of-condition professor who does 2.30 ✕ 105 J of useful work…

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Q: Can a car traveling west simultaneously have an acceleration pointing east? If not, explain clearly…

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Q: what is the name of the process when water waves going from a deep water into a shallow water

A: It is given that water waves going from a deep water into a shallow water .

Q: (a) A man stands a distance d 0.475 m from the left end of a platform as shown in the figure. The…

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Q: the horizontal as shown in the diagram below. A bullet of mass 0.02 kg is fired into the block with…

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Q: White light is directed perpendicular to an oil film (n = 1.45). Calculate the minimum non-zero…

A: refractive index of the oil film, n=1.45 wavelength of the light, λ=450nm we have to find the…

Q: In the figure, a spring of spring constant 3.60 x 104 N/m is between a rigid beam and the output…

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Q: Consider a wire of some material whose Young's modulus under tensile and compressive stress is…

A: To calculate the equilibrium length of the wire, we can use the concept of strain. When a wire is…

Q: You are pulling a 32 kg dresser up a ramp (inclined at an angle of 22 degrees) with an acceleration…

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Q: Calculate the heart rate in beats per minute for R = 200 kn and C = 5.0 μF, if the capacitor…

A: R= 200 ohm  C= 5.0 μF

Q: The position of a particle in the xy-plane at time t is r(t) = (e¹) + (4²¹) j. Find an equation in x…

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