The distance between the Moon and the Earth is 384,500 km. The period of the Moon’s rotation is 27.3 days (a lunar month). Assume the orbit of the moon around the Earth can be approximated by uniform circular motion. Use just this information and assumptions to estimate (a) The angular speed of the Moon around Earth. (b) The speed of the Moon (c) The centripetal acceleration of the moon

Q: the disk is slowing down at a rate of 4 rad/s2, what is the direction of the angular acceleration…

A:

Q: An Arrow (0.5 kg) travels with velocity 60 m/s to the right when it pierces an apple (2 kg) which is…

A:

Q: Some non-digital scales use springs to determine the mass of interest. A grocery store provides…

A: Given K1=4.5 N/mm (spring constant of first spring) K2=3.1 N/mm(spring constant of second spring)…

Q: A piece of wire of cross-sectional area of 5 square mm has a resistance of 200 Ω.  Find (a) the…

A:

Q: An object, whose mass is 0.700 kg, is attached to a spring with a force constant of 104 N/m. The…

A: Given Data mass (m) = 0.700 kg Spring Constant (k) = 104 N/m distance moved from Equilibrium…

Q: A circular conducting loop with a radius of 1.00 m and a small gap filled with a 10.0 № resistor is…

A:

Q: What is the energy of light having a frequency of (8.61x10^14)? Answer to 3 significant figures in…

A: Given data:  Frequency (f) = 8.61×1014 Hz Required: The energy of the light (E)

Q: they had a toy car and propelled it by attaching a blown up balloon and releasing it, they asked my…

A: A toy car is propelled by attaching a blown up balloon and releasing it.  How to increase the: (a)…

Q: A meter stick has a mass of 0.18 kg and balances at its center. When a small chain is suspended from…

A: Given:-  The mass of the meter stick is M = 0.18 kg  The meter stick is balanced at its center.  A…

Q: The L-shaped object in the figure(Figure 1) consists of three masses connected by light rods. Figure…

A: a) Around x-axis the masses 1.2 and 2.5 kg does not contribute to the moment of inertia (As their…

Q: Two skaters are initially at rest on ice. Left skater has mass of 48kg, right has mass of 61kg push…

A:

Q: What is the wavelength (in nm) of a laser with an energy of (5.59x10^-19) J? Answer to 3 significant…

A: Given data: The energy, E=5.59×10-19 J

Q: particle of mass 2 g is travelling in the positive x-direction with speed 10 m/s and a particle of…

A:

Q: A weight of 1400 pounds is suspended from two cables as shown in the figure. What is the tension in…

A:

Q: A 3.5 kg particle starts from rest at x = 0 and has a net force given by Fx(x) = 6.0+4.0x-3.0x²…

A:

Q: Find the theoretical Debye temperature of copper (Cu) if the speed of sound in copper is 3901 m/s…

A:

Q: A 245 kg box is released on a 28" incline and accelerates down the incline at 0 20 m/s² ▼ Part A…

A:

Q: A 78.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0720 m/s.…

A: The given data we have: Mass of the hoop: 78.0kg Velocity of the center of mass: 0.0720 m/s   The…

Q: glass cylinder of length 1.0 m and diameter 0.1 m is open at one of its ends. The cylinder is…

A: length of cylinder, L= 1 mdiameter, d=0.1 mWater was filled upto 90% level mark when it was lowered…

Q: PA and B. The ice and boiling points of water are also indicated. (a) Using the data in the drawing,…

A: Freezing point in A = - 30 Boiling point in A = 60 Freezing point in B = 20 Boiling point in B = 130

Q: Starting from rest, a student pushes a crate of mass m up a frictionless slope with a horizontal…

A:

Q: As you drive down the road at 18 m/s, you press on the gas pedal and speed up with a uniform…

A:

Q: A particle moves along a horizontal coordinate line in such a way that its position time t is…

A:

Q: A uniform electric field of magnitude 2.7 x 10* N/C is perpendicular to a square sheet with sides…

A: Given E=2.7×104N/C (Electric field) a=2.5m(side of square) A=a×a=2.5×2.5=6.25m2 (Area of the square…

Q: Workers attach a 28.0 kg mass to one end of a 27.0 m long cable and secure the other end to the top…

A: Given data:- The given value of mass is, m=28 kg The given value of long cable is, 27 m The given…

Q: v) A very light rod (ignore its mass) of length L connects two particles of mass m and 2m. Find the…

A: Introduction: Center of mass of a system of masses are defined as the position point where whole…

Q: Newton block slides down an inclined plane that has an angle of 60.0° If the coefficient of kinetic…

A: θ = 60o μk = 0.15 Let the mass = m

Q: Two protons of equal kinetic energies enter a region of uniform magnetic field. The first proton…

A:

Q: How much more torque can you get out of a wrench that is three times as long and twice as massive as…

A: The torque is given as, τ = rF sinθ therefore if the length is increased three times, the torque…

Q: ne so = 0.40w/s Razisn 3. A square coil of wire (36.0 cm long on each side with 50 loops) moves at a…

A: Given:length of 1 side of the coil, L = 0.36 mtotal loops, n = 50velocity of the coil, v = 0.40…

Q: An object measuring 15 cm in height is placed in front of a diverging lens. An upright, virtual…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A virtual image is formed 24.5 cm from a concave mirror having a radius of curvature of 30.0 cm. (a)…

A: Given v=24.5 cm      R=30 cmf=R/2=15 cm and since mirror is concave , f=-15 cm the formula we will…

Q: M T M → (due H₂0 2 blocks in water he figure shows two blocks of wood (A and B) connected by a…

A: Given data as per question mass =  .5kg

Q: The end of a string is being oscillated in SHM sending a transverse wave down the string which is…

A: At , x=0.4 m & t=5 s y = 1.2cm . Sin [2pi(5/0.01 - 0.4/0.3)]  y = 1.2cm × (-0.949)  y = -1.04 cm

Q: A particle moves along a horizontal coordinate line in such a way that its position time t is…

A:

Q: An Airbus A380-800 passanger airplane is cruising at constant altitude on a straight line with a…

A:

Q: A satellite is in a circular orbit very close to the surface of a spherical planet. The period of…

A:

Q: Express the angular velocity of the second hand on a clock in the following units:

A: Expressing the angular velocity of the second hand on a clock in rad/s , deg/min and rev/hr.

Q: When a chainsaw is in operation, the chain moves with a linear speed of v= 5.7 m/s. At the end of…

A:

Q: A satellite has a mass of 250 kg. (mEarth = 5.97x1024 kg, rEarth = 6.38x106 m,  G = 6.67x10-11…

A:

Q: What is the kinetic energy needed to move a 114 kg car forward with a velocity of 6 m/s?

A: Given the mass of the car m=114 kg and the velocity at which we need to run the car v=6m/s we have…

Q: What is the energy of light having a frequency of (4.79x10^14)? Answer to 3 significant figures in…

A: Given, The frequency of light, v=4.79×1014 Hz Take Planck's constant, h= 6.626×10-34 m2 kg/s The…

Q: The escape velocity on the surface of the Moon is 2.4 Km/sec, and the radius of the Moon is 0.27…

A: Let Ve be the escape velocity from a astronomical large body of  mass  M and radius R Then Ve…

Q: 20. A box moves up a slope while being pushed in the direction shown. If there is friction between…

A: Let the mass of the block be m, and the external force be F.let the coefficient of kinetic friction…

Q: A child tries to move his toy box by pulling on a rope at an angle θ of 42° with respect to the…

A:

Q: Ultrasound. High-frequency sound waves (ultrasound) are used to probe the interior of the body, much…

A:

Q: If the particle system generates photons with energy 2.4 eV, how many photons is required to create…

A:

Q: Two particles, each of mass 3.39 × 10-4 kg and speed 4.32 m/s, travel in opposite directions along…

A: Given: particle 1, m1= 3.39×10-4 kg speed, v1=4.32 m/s particle 2, m2=3.39×10-4 kg speed, v2=4.32…

Q: What is the real part of the relative permittivity of a Drude material with plasma frequency 7.44 eV…

A: Given: Plasma frequency, ωp= 7.44 eV Damping frequency, Γ = 0.97 eV excitation frequency, ω=3.2eV To…

Q: 10. At what frequency will a 20.0-mH inductor have an inductive reactance of 100 ? A. 666.5 Hz B.…

A: Since you have asked multiple questions, we will solve first question (Question no- 10) for you. If…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.