how long 1 year is in John's ship from Paul's perspectíve if John's ship is constantly flying at 90% speed of light.

Q: 23. Partway down a hill, a roller coaster car has kinetic energy of 15, 000 J. What is its potential…

A: Option c is correct.

Q: A particle is acted on by forces (measured in newtons) F, = 5î + 3j F; = 4î – 2k 2k F, = î+ 2j+ 3k…

A: Given data: F1=5i+3jF2=4i-2kF3=i+2j+3k Need to determine the magnitude and direction of the…

Q: What

A: Givenmoment about long axis =My

Q: What evidence demonstrates that the universe is expanding

A: The more distant away a universe is the quicker it is moving absent from us. This fits in…

Q: D. Reflection Directions: Complete the table. Fill up the equations that best represent the behavior…

A: Table 1: Type of motion The behavior of physical quantities Equations Stationary object or…

Q: Calculate the gravitational constant g, in U.S. Customary units, for a location on the surface of…

A: The standard value of mass of the moon is M=7.35×1022 The standard value of radius of the moon is…

Q: The illumination from a point source 4 ft. above a surface is 100 foot-candles, and the surface is…

A:

Q: Show that; 2. %3D 2.

A: This is a relationship between dynamic pressure and static pressure. We know that  Static pressure +…

Q: Q3. For what value of k is the line 2x + k.y = 3 perpendicular to the %3D line 4x + y = 1? For what…

A: Answer: (a) Both lines are perpendicular at K = -8 (b) Both lines are parallel at K = 0.5

Q: 1. A force of 10 lbs is required to hold a spring stretched 4 inches beyond its natural length. How…

A:

Q: Q3: Choose the correct answer for five only (True or False) 1- Dynamics is concerned with bodies…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: The atmospheric pressure at the base of the mountain is 730 mmHg. The atmospheric temperature is…

A: Given data: The atmospheric pressure at the base, Pbase = 730 mmHg. The local gravity, g = 9.75…

Q: Q1. (20’) Consider the shaded square region on the s-plane, as shown in Fig. Ql. Let p =-Cw, +…

A: Given…

Q: An object with sg object = cu.m. what is the total volume O 13707.14 O 6650.00 O 10766.67 O 9240.91…

A: calculated the total volume of the object.

Q: What is the rate of heat transfer through a piece of celotex 3 ft by 8 ft by 1 inch thickness, if…

A:

Q: A robotic rover on Mars finds a spherical rock with a diameter of 8 centimeters [cm]. The rover…

A: Given data: d=8 cmSG=4.75a=3.7 m/s2η=35%t=10 sech=25 cm Need to determine the power used in the arm.

Q: 3) When being pushed up a ramp, the motion is 35° up (sky-wards) from due West. If gravity pulls on…

A: Given: The weight of an object, W = 48 N The slope of plane = 35 degree The distance moved by…

Q: If you know that the effect of the effect of reaction reaction to the year in shape is located along…

A:

Q: 1. For your first post, describe what you found out about the Coriolis effect from the scenario.

A: To find :- Coriolis acceleration

Q: The figure below shows the energy balance for a planet with an atmosphere. The atmosphere is fully…

A: Given Data⇒ Solar radiation Ein=100Wm2 Stefen-Boltzmann constant is σ=5.67×10-8Wm2-K4 Required Data⇒…

Q: A particle in a one-dimensional potential well. Find the formulas of its energy levels and wave…

A: Given Data⇒A particle in  one-dimensional potential well.Problem definition⇒Problem says write…

Q: NASA is sending a probe to Alpha Centauri and then to Sirius. A problem with the probe is noticed…

A:

Q: b) Point X above the surface of the earth has a gravitational potential of -54 MJ while another…

A: i) Gravitational potential energy is the energy put away in an object as the result of its…

Q: where did u get 2088.54lb/ft^2 and 0.07488 lb/ft^3??

A:

Q: When a system of particles is subjected to only conservative forces, write the mathematical form.

A: Concept of conservative forces  Those forces which are independent of the path or only depends on…

Q: Five objects have the following masses: m1 is 600 gm; m2 is 800 gf, m3 is 3 poundals; m4 is 34 lbm…

A:

Q: 3 A particles moving in straight line with a negative velocity and negative acceleration , the…

A: Given: Negative velocity means the object is moving in negative direction because velocity is the…

Q: Michael spotted the top of a building from a point south of the building with an elevation angle of…

A: Answer: The height of the building is 343.26 m.

Q: Radium decomposes at a rate proportional to the amount at any instant. In 100 years, 100 mg of…

A: Given data,  m= 100 mg , At t1 =100 yrs , m1 = 96 mg  Need to find the m2 at t2= 200 years.

Q: What is the effect of acceleration on a beam of light shone horizontally at one wall?

A: Since the accelerated elevator moves up during the time light travels across the elevator, the…

Q: A far away planet orbits its sun. If the planet has a mass of 5 x 1020 kg and the sun has a mass of…

A: Given Data  Mass of the plant, mp=5*1020Kg Mass of the sun, ms=4*1031Kg Distance between them,…

Q: temperature of the surrounding is 20°C. At 3:03 PM, the temperature of the object becomes 42°C.…

A: T=Ts+(T0-Ts)e-ktat 3:00pmT=20+(80-20)e-ktT=20+60e-kt

Q: A man of weight 600 N is standing on the top of a building of height 10 m, the energy possessed by…

A:

Q: Calculate the gravitational force between the earth and the moon in newtons. The distance between…

A:

Q: When a particle is subjected to both gravitational and elastic forces, the resultant force is…

A: Assume the mass of the particle m with the displacement x. The expression for the gravitational…

Q: 1.36 Two observation towers A and B are located 300 ft apart, as shown. An object on the ground…

A:

Q: is the universal constant for the Newton's universal law of gravitation.

A: Ans-d

Q: 5. What is delta U?* 2 points 2 65 60 200 10 Your answer 6. What is W? * 2 points AU 4 5 -100 11…

A:

Q: What does the small speed tell us about the mass of a proton compared to even a tiny amount of…

A: We know that momentum is directly proportional to both the mass and the velocity of the particle,…

Q: 40 N 40 N 30 B RAX C 5 ft - 5 ft 3 ft RAY 80 N

A: The system is in equilibrium.

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.