Q: QUESTION 1 The charger cord used to recharge a cell phone contains a transformer that reduces 120 V ...
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: A student repeated the Styrofoam ball experiment. This time, the student rubbed the plastic rod on ...
A:
Q: The length of a rod as measured in an experiment is found to be 2.48 m, 2.46 m, 2.49 m, 2.49 m and 2...
A:
Q: What is the Effective Hanging Mass of the spring? Hanging mass = .01kg Position of Coil = .6375m per...
A:
Q: A magnetic field of 3.2 T is perpendicular to a square coil of 12 turns. The length of each side of ...
A:
Q: In a perfectly inelastic collision, a ball dropped from a certain height would bounce At a greater h...
A: Hight would bounce- at a lesser hight Because it is a perfectly inelastic collision. How much Lesse...
Q: 3) Determine i, si la Fuente es de 15v. R=60 R = 40 R= 100 AOW R = 82 R=60 REQ R2 80 Rig 20 Re = 60 ...
A:
Q: A UFO going 55 m/s east suddenly experienced a constant acceleration of 19 m/s² west for 49 s. Deter...
A:
Q: V, = 2 V O > mA V2 = V R2 = z = mA lo - 100 mA Vo -9 V CONFIRM O o o
A: Answer:- Given Current (Io) = 100 mA = 100 × 10-3 A = 100/1000 = 0.1 A Voltage (V) = 9V We know ...
Q: A ball with a momentum of 4.0 kg•m/s hits a wall and bounces straight back without losing any kineti...
A: we know the formula for momentum is given by p = m.v where p = momentum m= mass v = velocity . n...
Q: 8. Find R = Ã+B, given that A has a magnitude of 4 at an angle of 30° above positive x-axis and B ha...
A:
Q: The ship is flying 20° west of north at 325 mph. There is a wind blowing at 40 mph 50° west of north...
A: Resultant of two vectors can be determined by resolving them into components. x component = A Cosθ ...
Q: How much charge is present across capacitor #4 (C4)? a. 50.88 micro Coulombs b. 22.6 micro Coulomb...
A:
Q: Awarning buoy is observed to rise every 3.4 s as crests of waves pass by it. (a) What is the period ...
A: "the period is the time taken for two successive crests or troughs to a pass a fixed point " from s...
Q: The refractive index of a medium can never be a. 1 e. 1.3
A: refractive index of a medium can never be
Q: . Convert the following vectors to component form. Include sketches a. E = 120 m/s at 41° W of N p. ...
A:
Q: A particle is acted on by a conservative force, F= (-Ax + Bx)i N, where A and B are constants, and x...
A: According to conservation of energy Total energy of isolated system remains constant. KE + PE = cons...
Q: An electric bulb is rated at 220 V, 100 W. What is its resistance ?
A: Given : V = 220 V P = 100 W
Q: A point charge + 4 μC is surrounded by an imaginary sphere of radius 0.20 m centered on the charge. ...
A:
Q: Given a vector field A = 5x ^ 2(sin (pi*x)/2) i, find V.A at x = 1
A: Vector A = 5x².(sin (pi.x)/2)i
Q: How did Maxwell fix Ampere's law in electromagnetic equations? Mention the physical significance of ...
A:
Q: (a) What is the minimum force of friction required to hold the system of the figure below in equilib...
A:
Q: . What is the resultant force required to give a 6 kg blocked an acceleration of 2 m/s2?
A: According to Newton's second law of motion, the force acting on a body is given as F = ma, where m =...
Q: 1.) use the slope (m=0.2315) to solve for the acceleration of the crate down the inclined plane.
A:
Q: In an experiment on standing waves, a string 32 cm long is attached to the prong of an electrically ...
A: Given data- Length of string- L=32 cm=0.32 m Frequency- f=60 Hz The mass of the string- m=0.058 kg N...
Q: What conclusion can we get on the attached figure below? * Y .metal plates The upper plate is positi...
A: In parallel plate capacitor we know that electric field between two plate is uniform. and electric f...
Q: Organ pipe A, with both ends open, has a fundamental frequency of 300 Hz. The third harmonic of orga...
A:
Q: Two converging lenses having focal lengths of f 10.7 cm and f, = 20.0 cm are placed d = 50.0 cm apar...
A:
Q: WHAT IS RADIATOR? how that system works; what processes are involved in its processes; and what are ...
A: Whait is Radiator ? The radiators are heat exchangers used to transfer thermal energy from one mediu...
Q: Ans:A.)59N,B.)39N Please show your complete solution and write clearly. Thank you.
A:
Q: Activity 3: QUALITATIVE PROBLEMS Direction: Solve the following problems as directed. You may show y...
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...
Q: Lead is a soft, dense metal with a specific heat of 0.028 kcal/kg°C, a melting point of 328.0°C, and...
A: In first step Heat required from 25°C solid to 328°C solid Q= ms∆T S = specific heat m= mass ∆T = c...
Q: The pulleys are frictionless and of negligible weight, find the Tension (N) in the cord supporting b...
A:
Q: a) Calculate the area of a simple parallel-plate 5F capacitor. Assume th the plates are separated by...
A:
Q: 1. A basketball player who is 2.0Om tall is standing 10.0m away from the basket. If he shoots the ba...
A: Height=3.05m
Q: Solve the problems below. Make sure to show proper solution. All final answers should be written ins...
A: Given, Relative permitivity=2.25
Q: How much voltage is taken by capacitor #4 (c4)? Select one: a. 7.2 volts b. 6.36 volts c. 5.65 ...
A:
Q: 1. Assume that you are riding a bicycle. An applied force of 701 N downward is applied as you push o...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: an a baseball player give the ball the most velocity while batting?
A: Momentum = mass × velocity P = mv
Q: boxer quickly learns to move his head backward when he sees he is going to receive a jab to the head...
A: By moving his head backward ,this head motion reduces the force of punch . And he will hurt less by...
Q: Do this! Electric Pokntial Energy in a Uniform Elechric field A point charge of 2.5nC uf a maes 5.0X...
A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...
Q: Two non-identical capacitors when connected in parallel gives an equivalent capacitance of 9.0 pF an...
A: The net capacitance of capacitors connected in series is given by 1Cnet = 1C1+1C2+1C3+..., where C1 ...
Q: 9. For each situation draw a before and after free body diagram and fil in the table with (+, -, or ...
A: #9 Part (a) The free body diagram of a body can be drawn by observing the internal and external forc...
Q: Write three important boundary conditions the wave should obey at variable linear mass density inter...
A: We have to write the importance boundary conditions the wave should obey at variable linear mass den...
Q: What is the magnitude and polarity of an object if 1000 electrons were added to it? a + 1.6x10-16 Cb...
A: Given Number of electrons added (N) = 1000
Q: A 0.3 kg baseball is pitched horizontally with a speed of 20.0 m/s. It is then batted with a speed o...
A: Given data: Mass (m) = 0.3 kg Initial speed = 20.0 m/s Final speed = 45.0 m/s, in the opposite dire...
Q: a +5V -5V 9.
A:
Q: Problem 5: A wind turbine blade with a radius of 32 m and a mass of 690 kg is rotating at 0.75 rev/s...
A:
Q: 3. State both the sign and magnitude of the charge on a proton, an electron, and a neutron in terms ...
A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...
Q: 1.A proton enters a magnetic field of flux density 1.5 Wb/m² with a velocity of 2.0 x 107 m/s at an ...
A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- We use the terms sunset and sunrise. In what way are these terms misleading?2. A 210 g mass is dropped from the top of a 12 storey building (floor height 3.3 m) and falls freely under gravity. Calculate: (a) its total energy before it is dropped (b) its velocity just before impact with the ground (c) the time taken for the object to hit the ground.3. What is the gravitational potential energy of a 4 kg bowling ball 1 m above the ground?
- 3. Calculate the total energy of a box with a mass of 175 kg in an angle of inclination of 18° from a height of 9.75 m.5. An electron strikes the screen of a cathode-ray tube with a velocity of 10 m/s. Compute its kinetic energy in joules. The mass of an electron is 9.11 x 10 -³¹ kg. 6. A body of mass 2 kg. is initially at rest on a horizontal frictionless plane. It is the pulled 4 meters by a horizontal force of magnitude 25 N. Use the work-energy relation to find its final speed. 7. In problem 6, suppose the body has an initial velocity of 10m/s and is then pulled 4 meters by a force of magnitude 25 N in the direction of the initial velocity, what is its final velocity?3. A person stands on a hill that is 78m tall. If their gravitational potential energy is 40,000J, what is the person’s mass? 4. What is the mass of an object that creates 33,750J of energy by traveling at 30m/s?
- 2. What is energy? Explain why scientists care about this concept as part of their work.1. Explain the significance of Cavendish's experiment to measure the gravitational force between two objects.A solar flare occurs in the surface of the sun on Monday morning at 11:45 AM. The sun is 1.496 x 108 kilometers away and light travels at 300 000 km per second. A. How long thereafter will the light beam reach the earth? B. What time of the day will the beam of light reach occurred at 11:45? C. If the solar flare re occurred at 1:30 pm when will the light from the flare reach earth?
- How much energy is required to move a 1400 kg object from the Earth's surface to an altitude twice the Earth's radius? Need Help? Read It7. An overhead tank containing 1,500 L of water is placed on top of the roof of a building. The height of the building from the ground to the roof is 10 m. What is the potential energy of the water with respect the ground?1. How much potential energy does a vehicle gain if a crane lifts the vehicle with a mass of 1,450 kg 23 m straight up? 2. Determine the mass of a moving object with a velocity of 20 m/s and a KE of 5500 J?