If a star 10 parsecs away from us was moved and appeared to be 4 times brighter after movement, how many parsecs is the star away from us now?
Q: 7. Two carts collide on a level, frictionless track. Just before they collide, the 370 g cart had a…
A: Note;“Since you have posted multiple questions, we will provide the solution only to the first…
Q: person lifted a bag of groceries 2.89 m from the floor onto a counter top using a constant force of…
A:
Q: Robert has just jumped out of an airplane and has deployed his parachute. He is currently traveling…
A: Solution: As given that initial velocity u = 8.2 m/s height h = 426 m to calculate the time takne…
Q: An old streetcar rounds a flat corner of radius 8.10 m, at 24.0 km/h. What angle with the vertical…
A: "Since both questions are different, as per bartleby guidelines we can author only 1st one. Please…
Q: A rocket has attained a circular orbit around the earth at 6.6 x 106 m from the center of the earth.…
A: Consider the diagram of the Hohmann transfer described in the question as shown below: Here,…
Q: A rocket, initially at rest on the ground, accelerates straight upward from rest with constant (net)…
A: In the given problem, the rocket starts accelerating straight upwards, starting from rest, with a…
Q: WORK = (YOUR WEIGHT IN NEWTONS) X (HEIGHT OF STAIRS IN METERS) Work (Joules) = force (N) x distance…
A: Given that, Weight (Wt)= 48 N Height of stairs (h)= 1.8 m Time taken in walking (tw)= 0.8 s Time…
Q: In the Projectile Motion lab a student measures the height of the projectile launcher off the floor…
A:
Q: A baseball player with mass m = 80.0 kg, sliding into second base, is retarded by a frictional force…
A:
Q: cting báck on the example of Katie dropping the tennis ball, how do you а. think a gravitational…
A: gravitational force F = Gm₁m₂/r²
Q: There are many levers in the human but the most common one is 3rd 2nd 1st
A:
Q: Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the…
A:
Q: A metal sphere with a radius of 13 cm is charged to 3.1 µC, and a second sphere that measures 16.71…
A: Given: Two metallic sphere Sphere 1 Radius r = 13 cm Charge q = 3.1 μC Sphere 2 Radius r' = 16.71 cm…
Q: 124. The diagram below represents a 10.-newton block sliding at constant speed down a plane that…
A: Since object is moving with constant speed hence acceleration acting on it is zero so net force…
Q: The rate of doing work is known as
A: In physics, the rate of doing work is known as Power. It is equivalent to an amount of energy…
Q: I z( max)
A: Solution: When maximum current is flowing through the Zener diode, the current through the load will…
Q: 3. A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (k = 100 N/m) at…
A:
Q: Lobster got trapped and now is stuck in a restaurant Lobster tank (which is a cube with side L and…
A:
Q: In the figure, a frictionless roller coaster car of mass m = 811 kg tops the first hill with speed…
A: Given: m=811 kgvo=16 m/sh=41 m
Q: 2. The car shown is just to clear the water-filled gap. Find the take off velocity. 30 6.0 m 30 W.5.…
A: a) This is a projectile motion. Given the car takes off from height h=6.0m And cross River width…
Q: Determine the work done by an electric motor lifting an elevator and its occupants weighing 2200 lb…
A: weight = m g = 2200 lbdistance between each floor = 15 fttotal height = h = 5 x 15 = 75 ft
Q: 5) Snowballs make perfectly inelastic collisions; when two snowballs slam into each other, they…
A:
Q: Name the physical quantities related to the following units : watt
A: Power is defined as the rate of doing work. Power = Work/time The SI unit of power is Watt.
Q: Example 3: Variable acceleration Given that the velocity of a particle changes with time such that (…
A:
Q: 3. Consider the hydrogen atom as a small planetary system with the proton playing the role of the…
A: Here, the hydrogen atom is considered to be a system similar to planetary motion with the proton as…
Q: State law of conservation of energy.
A: Statement of Law of conservation of Energy:The law of conservation of energy states that energy can…
Q: Water pressurized to an absolute pressure of 3.00 x 10° Pa is flowing at 5.25 m/s in a honzontal…
A: We have the following information P1=3*105 Pa V1=5.25 m/s r1=radius A1=area A2=A1/2 r2=1 cm = 0.01…
Q: The unit of Power (P) is
A: We have to answer the unit of Power (P)
Q: The figure shows a three-particle system, with masses m1 = 1.5 kg, m2 = 3.9 kg, and m3 = 6.4 kg.…
A: Given data: m1 = 1.5 kg, m2 = 3.9 kg and m3 = 6.4 kg
Q: Please, I need help on this problem. Thank you.
A: a) It is given that
Q: The wavelength range of visible light is usually taken to be from 400 to 700 nm, although it can…
A:
Q: The magnetic field in (Figure 1) is decreasing at the rate 0.60 T/s. Figure What is the magnitude…
A: Given rate of decreasing magnetic field dBdt = 0.6 T/s radius of circle r = 1 cm = 0.01 m
Q: Unit of work?
A: Work: It is the product of the applied force to the displacement of the object along the direction…
Q: and the floor. c The applied pulling force is steadily increased. Just before the box moves forward,…
A:
Q: 008 47. . A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of…
A:
Q: As you see in Fig.5, a block of mass m = 0.59 kg is supported by a light rope that wraps around a…
A:
Q: If resistance of 1000ft of copper wire is about 1 omega at room temperature (68F),
A:
Q: 4) (1) Show that when an ice cube floating in a glass of water is melting - the water level does not…
A:
Q: 7. Using conservation of mechanical energy concepts, calculate the kinetic energy and velocity of a…
A: The conservation of energy states that 'if there is no external force acting on a system then the…
Q: 11. Consider the equation W = F(cos Ad. (a) Using the equation, explain why a force perpendicular to…
A:
Q: A 55kg load is suspended on the end of a cable, the other end of which is wound around a drum of…
A: (a) Given: The mass of the load is 55 kg. The diameter of the drum is 500 mm. The torque output of…
Q: arning Task 3: Make a diagram abou ential energy and electric field. Explai
A: We need to give the relationship between the electric potential with work, potential energy and…
Trending now
This is a popular solution!
Step by step
Solved in 4 steps