wo spaceships, X and Y, are traveling toward each other at speeds (measured from earth) of 0.9c. X sends a beam of light to Y. Y measures its speed as a. 0.1c b. c c. 1.8c d. 0.9c e. 1.1c

Q: 21. A 3.00 kg block is pushed by a 30.0 N force against a rough wall with coefficient of static…

A: Given data:  Mass (m) = 3.00 kg Force applied (F) = 30.0 N Required: Minimum coefficient of static…

Q: Two m =6.0 g point charges on 1.0 m long threads rework each other after being charged to a= 90 nC…

A: Given information: The mass of the charges (m) = 6 g The charge on the each charge (q) = 90 nC…

Q: Ball A has a mass of 3 kg and is moving with a velocity of 8 m/s when it males a direct collision…

A:

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A:

Q: How much current will flow through a 10V battery with a 1000 resistor connected across its…

A: Given Information:- Voltage of the battery is V=10 V Resistance of the resistor is R=100Ω Required:-…

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Given Work done by the force is W=520 J Displacement of an object is d=42 m

Q: An aluminum-alloy rod has a length of 14.795 cm at 10.00°C and a length of 14.828 cm at the boiling…

A:

Q: If the energy received by 7 m? area in 6 minutes is 4290KJ. Calculate the value of Solar constant ?

A: The solar constant is used to quantify the rate at which energy is received upon a unit surface…

Q: Juleon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the…

A: Given Information:- Juleon's speed at the top of the hill is 5.0 m/s His speed at the bottom of the…

Q: Slide on! A block placed on an incline oriented 42° with respect to the horizontal has velocity u =…

A:

Q: A 15.0 kg load of groceries is lifted up from the first floor to the fifth floor of an apartment…

A: Given that, Mass (m)= 15 kg Height of each floor (h)= 5 m Height of second floor from first floor…

Q: A long, straight current-carrying solenoid creates a uniform magnetic field B = 13 mT inside itself…

A: Given magnetic field B = 13 Mt current is I = 35 A N2 = 56 turns and length, a = 38 cm, and width b…

Q: A blue ball of mass 0.350 kg traveling at 2.60 m/s to the left collides with a red ball of mass…

A:

Q: 4. Given the final tableau, enter the solution as stated in the instructions. y w Constants -23/5…

A: The given problem has a unique solution

Q: The electric field at a point in space is E = (700 I +600 J). What is the magnitude of the electrons…

A: Given that,  Electric field, E = 700i + 600j We know that charge of electron and proton is, Q = 1.6…

Q: Based on the figure below, calculate the largest bearing stress in MPa between the pin and the…

A:

Q: 29. The graph shows the acceleration of an object across time. Which of the following graphs below…

A: The acceleration versus time graph is given for an object is motion from the graph , the…

Q: 11. A 0.200 g bee flies at constant speed along a horizontal circular path with a diameter of 84.0…

A: Given, Mass=0.200g=2*10-4kg Time=1min=60sec Diameter=84cm=0.84m

Q: View Policies Current Attempt in Progress Deep ultrasonic heating is used to promote healing of torn…

A:

Q: 16. Which of the following quantities DOES NOT require representation in terms of vectors? A. The…

A: Vector means with direction. Those quantities which are having magnitude as well as direction both…

Q: Direction: In this task, which will be marked according to a modified Criterion C rubric, you will…

A:

Q: Find density d objuct hauny valune 4m man y000 kJ

A:

Q: In which orientation of the particle's velocity relative to the magnetic field can we yield the…

A: When the direction of velocity is parallel to the direction of magnetic field, the magnetic force…

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A:

Q: Calculate the electric potential at a point 32.16 m away from a 55.67 µc (C) and a -55.67 µC (D).

A:

Q: 20. Two cannonballs, aptly named a and B, were launched on level ground, a was launched with a…

A:

Q: 1. A 0.200 g bee flies at constant speed along a horizontal circular path with a diameter of 4.0 cm.…

A: diameter = 2r = 84 cm radius = r = 42 cm =0.42 m time for 8 revolutions = 60 sec

Q: An object undergoing simple harmonic motion takes 0.18 s to travel from one point of zero velocity…

A:

Q: A boy on a motorbike a scooting along at 20m/s. If the boy weighs 50kg, what is his kinetic energy

A: Given data:  Speed (v) = 20 m/s Mass (m) = 50 kg Required: Kinetic energy (KE)

Q: Using the Kirchhoff’s second rule, what is the voltage along the 10 Ω resistor in the circuit shown…

A:

Q: A satellite in orbit around the earth has a period of one hour. An identical satellite is placed in…

A: Given Information:- Period of the first satellite is T1=1 h Orbital radius of the first satellite is…

Q: ctors A = 4ax + 3ay  and B = ax + 2ay + 2a

A: GivenA→ = 4ax + 3ay  andB→ = ax + 2ay + 2az

Q: In an atwood's machine, one block has a mass of 1.3 kg and the other one has a mass of 2.8 kg. Solve…

A:

Q: A pingpong ball is atatched to a rope and is swung a vertical circle. What is its velocity and…

A: Data provided:  The ping-pong ball swung in vertical circle Required: The directions of acceleration…

Q: 6- If we have two polarizers and a material that has optical activity. Describe an experiment that…

A:

Q: Trachecktory. Two cannonballs, aptly named a and B, were launched on level ground. a was launched…

A:

Q: Near the surface of the earth, a magnet is made to levitate above another magnet, which is on a…

A:

Q: R When a liquid is introduced into the air space between the lens and the plate in a Newton's-rings…

A: Newton's rings refer to the bright and dark fringes in form of circles with a common centre. When…

Q: A crate of mass 9.8 kg is pulled up a rough incline with an initial speed of 1.54 m/s. The pulling…

A:

Q: Calculate the work (in MJ) necessary to bring a 102 kg object to a height of 993 km above the…

A:

Q: Find the magnitude and direction of the resultant of the following vectors using Laws of Sines and…

A:

Q: 1. Consider the figure below. If Hs = 1/(2+V3 ) between the surfaces, what is the smallest possible…

A: Draw the free-body diagram of the block.

Q: 28. Which of the following corresponds to the equation B + T = S В. T. A. T. S D. C. T T.

A:

Q: Find desity g object hamry valume 4m man y000 kJ

A: Given data : Mass of object=m Volume of object=V   To find : Density of object

Q: Two masses collide on a frictionless horizontal floor and in a perfectly inelastic collision. Mass 1…

A:

Q: A loader lifts a 20kg load to a height of 3m in 5 seconds. How much power was demonstrated

A: Given data:  Mass (m) = 20 kg Height (h) = 3 m Time (t) = 5 s Required: Power (P)

Q: An object I with a mass of 4 kg is lifted vertically 3 m from the ground level; another object II…

A: Object 1 has mass 4kg and taken to 3m and object 2 has mass 2kg and taken to 6m.

Q: What force must be exerted on the master cylinder of a hydraulic lift to support the weight of a…

A:

Q: Two objects with different masses collide and bounce back after an elastic collision. Before the…

A:

Q: When rubidium ions are heated to a high temperature, two lines are observed in its line spectrum at…

A: