A 3 kg object attached to an ideal massless spring is compressed 1.2 m. If the spring constant is 45 N/m, find the magnitude of the spring force.

Q: What evidence supports the idea that electromagnetic radiation behaves like a wave? What is light…

A: Light is made of particles called photons, bundles of the electromagnetic field that carry a…

Q: Consider two charges, QA and QB placed along a horizontal line and separated by distance a, as shown…

A:

Q: An object of mass M explodes, breaking apart into three smaller objects of mass m1 and m2 and m3.…

A: In the component form, we break the given vectors in vertical and horizontal components. Object M…

Q: 12. Identify whether the following statements are true or false, and explain why (if false, a…

A: Solution as

Q: A concave mirror (f= +12.5 cm) creates a virtual image of an 5.3 cm tall object. If di is -18.3 cm,…

A: Using the mirror formula and sign convention,we can calculate the magnification as follows

Q: a state highway patrol car radar unit uses a frequency of 9.00*10^9 Hz. What frequency difference…

A: Given that:-Original frequency, F=9.00×109 Hzrelative speed of object, v=28.6 m/sSpeed of light,…

Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…

A:

Q: 1 0 3 000 예 2

A: Lenz's law states that the current induced in a circuit due to a change or a motion in a magnetic…

Q: In one series of aircraft exercises, a pilot went down 370 m after ejecting from his jet plane and…

A: Given:distance travelled by pilot after ejection, d = 370 mcrater depth, x = 1.1 mmass of the pilot,…

Q: The figure below shows two wires carrying currents of I = 4.65 A in opposite directions, separated…

A:

Q: HERSTE A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular…

A:

Q: E6. The rotational velocity of a spinning disk decreases from 10.0 rev/s to 3.0 rev/s in a time of…

A: Given: The initial rotational velocity is 10.0 rev/s. The final rotational velocity is 3.0 rev/s.…

Q: A mass M attached to a spring oscillates with a period of 2 s. If the mass is increased by 2 kg the…

A: We are aware that a mass M suspended from a spring oscillates with a 2 s period.The time lengthens…

Q: You pull the mass down 2 cm and hold it there. You exert a force of 10 N down- wards on the mass to…

A: a) since only two forces are acting on the mass gravitational force and spring force for equilibrium…

Q: Which of the following correctly orders electromagnetic waves by increasing frequency? a. radio,…

A: There are 7 electromagnetic waves. In order of increasing frequency electromagnetic waves are given…

Q: A light ray in plastic (n=1.45) hits an air/plastic boundary as shown below. The ray will be.? 45°…

A: The ray will get refracted if the angle of incidence is smaller than critical angle. And will be…

Q: The image of a distant object created by a concave mirror will be. a. formed at the focal point of…

A: Given The image of a distant object created by a concave mirror will be, as following below.

Q: A block of mass m-3,3 kg is pushed up on a frictionless inclined plane by a horizontal force F = 93…

A:

Q: A concave mirror with a radius of curvature of 40 cm forms an image 15 cm behind the mirror. Where…

A: Focal length = radius of curvature/2

Q: A long solenoid has a diameter of 9.94 cm. When a current i exists in its windings, a uniform…

A: As it is not specified so according to Bartleby policy we are answering only the first question.