Q: An athlete jumping vertically on a trampoline leaves the surface with a velocity of 8.5 m/s upward. ...
A: Given data: Initial velocity (v0) = 8.5 m/s, upward Required: Maximum height (hmax)
Q: Potential energy is said to be "stored" energy. True False
A: True / False : "Potential energy is said to be stored energy"
Q: The diagram below shows a junction between four wires. The currents for three of the wires are provi...
A:
Q: cyclotron with a magnetic field of 1.2 T is used to accelerate protons. How long does it take the pr...
A: GivenMagnetic field, B=1.2 TRadius, r=25 cm=0.25 m
Q: The figure shows a distance vs. time graph of an object with three distinct regions, I, II, and II. ...
A: Given : velocity time graph
Q: Problem 3. A projectile is launched from an initial coordinate of (0, 0) with an initial velocity of...
A:
Q: A 200-kg box slides down a frictionless plane that is angled at 20 degrees with respect to the horiz...
A: Given data: Box slides down a frictionless plane Mass (m) = 200 kg Angle (θ) = 20° Required: The a...
Q: Please solve and show your solution on a paper with units in every proceedure. The temperature of a...
A:
Q: A dog in an open field runs 12.0m east and then 28.0m in a direction 50° west of north. In what dire...
A: We will consider that dog starts from origin , then move from O to A, then B, then finally reaching ...
Q: A football of mass 2.5kg is lifted up to the top of a cliff that is 180m high. How much potential en...
A: Given, mass of the football, m = 2.5 kg height of the cliff, h = 180 m
Q: 3. Convert the following angular speeds to rpm. (a) 52 rad/s (b) 125 rad/s (c) 315 rad/s 4. Convert ...
A: Angular speed : Angular speed is defined as the rate of change of angular displacement, and it is ex...
Q: 1. The escape velocity from a massive object is the speed needed to reach an infinite distance from ...
A: GivenTemperature at the surface of moon T=270K The Average Speed of any atom of gas generally depend...
Q: A stone is thrown upward with a velocity of 10 m/s from a window 50 meters above the ground level. W...
A:
Q: kg wood resting kinetic friction between block and surface is 0.25. The bullet remains embedded in t...
A: Given: m=3.0g=3*10-3 kgM=1 kgμ=0.25d=0.20m
Q: = 2.5 Suppose that qı = 3.49 nC, q2 = 5.52 nC, q3 = -5.63 nC, r = cm, r' = 7.19 cm, and r12 =3.13 cm...
A: According to work energy Work done= change in potential energy
Q: A plug-in transformer supplies 9.00 V to a video game system. (a) How many turns are in its seconda...
A: Given value--- Output voltage = 9 V. input voltage = 120 V. Number of turns in primary coil = 388 ....
Q: The figure below shows a roller-coaster car on a track. The car is fully loaded with passengers and ...
A: Given: M=485 kg r1=12.0 m r2=16.8 m v=25.0 m/s
Q: A particle moves along a horizontal line. Its position function is s(t) for t 2 0. For each problem,...
A: Given, S(t)=-t³+15t²
Q: A water intake at a pump storage reservoir (the figure) has a cross-sectional area of O.585 m2. The ...
A:
Q: Assuming that momentum is conserved, determine the magnitude and direction of “v1f”: Determine the ...
A:
Q: Figure A. What is the direction of the magnetic field in all four regions (r c)
A: The magnetic field for an infinite wire is given by B = μ0i2πr Ampere's law ∮B→.dl→ =μ0I
Q: TRUE OR FALSE. An object seen by the human eye remains chemically mapped on the eye's retina for a b...
A: The human eye is an parts of the body that responds to light a lot of incidence. As a aware of sense...
Q: This graph shows the potential energy U of a particle moving along the x-axis. Rank the points A, B,...
A:
Q: 1 The frequency of a damped harmonic oscillator is one-half the frequency of the same oscillator wit...
A: the frequency of a damped harmonic oscillator is one-half the frequency of the same oscillator with ...
Q: A laser beam is incident on two slits with separation d = 0.026 mm. A screen is placed L = 2.2 m fro...
A:
Q: omplete solutions and illustration. An arrow is shot from a height of 1.5 m toward a cliff of heigh...
A: GivenInitial height, H0=1.5mInitial velocity, u=30 m/sAngle, θ=60°Time taken, t=4.0 s
Q: 3. Suppose in a given magnetic field strength B, an electron (charge -e, mass m) with kinetic energy...
A:
Q: A water intake at a pump storage reservoir (the figure) has a cross-sectional area of O.585 m2. The ...
A:
Q: Energy transformations occur within systems in nature. True False
A: Energy transformation occur within systems in nature- True.
Q: A particle moves along a horizontal line. Its velocity function is v(t) for t > 0. For each problem,...
A:
Q: medical saW is rotating at a constant rate of 15 revolutions per second. If it has a radius of 12 cm...
A: given: ω=15 rev/sr=12 cm
Q: Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of...
A: an object is dropped from a height, h = 25.8 m
Q: 2. An isotope of sodium 24N a has a half-life of 15 hours. A sample of this isotope has a mass of 2g...
A:
Q: pilot flies with a plane 20 km northward with an angle of 60 east ➚ , then 30 km to the east ⮕ , the...
A: Displacement The shortest length of path between initial and final position is called displacement. ...
Q: In the simple AC circuit shown on the right, the impedance is Z = 350 Ω and the current is I = Imaxs...
A:
Q: À block of wood floats in fresh water with 0.757 of its volume V submerged and in oil with 0.854 V s...
A:
Q: A. What is the work function for a metal exhibiting the photoelectric effect for the light with a wa...
A: The work function for a metal exhibiting the photoelectric effect for the light with a wavelength λ ...
Q: A dust particle with a positrive charge of 3.00 µC and a mass of 4.00 mg, is initially at rest in a ...
A:
Q: Sailors need to evacuate a troubled underwater craft 100 meters below the surface. How much force sh...
A:
Q: The position vector of a particle changes with time according to the relation 7(t) = 15t2 î + (4 – 2...
A:
Q: A Honda Jazz is stopped at a traffic light. It then travels along a straight road so that its distan...
A: A Honda Jazz is stopped at a traffic light. It then travels along a straight road so that its distan...
Q: A piece of steel piano wire is 1.8 m long and has a diameter of 0.50 cm. If the ultimate strength of...
A: Given Ultimate strength of steel piano = 5×108 N/m2 Length of piano , L = 1.8 m Diameter , d= 0.50...
Q: The R value for the monatomic gas reaction was 1.987 and the value for the constant volume heat capa...
A: Given:R value = 1.987dQdtv=2.98V=2 L=2*10-3 m3T=25°C=298 K
Q: Answer the following questions based in Energy Skate Park Experiment: 1. Is the mechanical energy c...
A:
Q: An electric tube's positive point with electric potential of 400 V goes to the opposite position wit...
A:
Q: A solid copper cube has an edge length of 81.6 cm. How much stress must be applied to the cube to re...
A: Given: L=81.6 cmL'=81.0 cmB=1.4*1011 N/m2
Q: Consider a gas that is comprised of 0.500 moles enclosed in a 10.0 L container, and the pressure and...
A:
Q: Can you please explain why the circular scale reading is 0.203. Shouldn't it be 0.205 since it is be...
A: First we calculate vernier constant of circular scale.. We see that in 20 to 30 there are 100 littl...
Q: 6. A long straight wire lies along the x axis carries a current of 15 amps in the positive x directi...
A: Given, A straight wire lies along the x-axis carries a current, I1 = 15 amp second wire carrying cur...
Q: Compute the acceleration of body B, and the tension in each cable supporting each block. wA= 200 N, ...
A:
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- What voltage is involved in a 1.44-kW short circuit through a 0.100- resistance?A battery is connected across a light bulb with an internal resistance of 75 ohms. Using an ammeter, the current flowing in the circuit was measured to be 120mA. What is the voltage of the battery?A resistor of 10 Ohms has a current of 5 Amps flowing through it. What is the power?
- A circuit is made of a power supply of 5.49 V emf and a 118 Ohms resistor. what is the current in amps ?A dc voltage of 17 V is measured across a 133 ohm resistor. What is the current flowing through the resistor?In the US, the conventional voltage seen in a recepticle (wall outlet) is 120 V. How many amperes is required to run a stereo that has a resistance of 627 ?
- In the US, the conventional voltage seen in a receptacle( wall outlet) is 120 V. How many amperes is required to run a stereo that has a resistance of 491 of (ohm)?What will be the value of current through a resistor of 40 ohm when the potential difference between two ends of the resistor is 20 V ?A 10-W light bulb is connected into a 220-V outlet. (a) What is the resistance of the bulb? (b) What is the current in the bulb? (c) If the light bulb is turned on for a month (30 days) and the electric energy cost P1.50/kW-h, how much is the electric bill?