The mass of a girl is 40 kg.calculate her weight. The weight of a stine is 98N.calculate its mass. Two vehicles x and y are moving in the same direction with the velocity of 12m/s and 8m/s respectively. Calculate the relative velocity of x with respect to y .also ,calculate the relative velocity when they are moving in opposite directions.

Q: At a certain time a planet of mass 3e24 kg is located at m and is moving with a velocity of m/s.…

A: Given that: m=3×1024 kgri→=(3i^+4j^)×1012 mu→=(0.3i^+1.5j^)×104 m/st=105 secF→=(-3.6i^+7.2j^)×1021 N

Q: Tom has a mass of 70 kg and Sally has a mass of 50 kg. Tom and Sally are standing 20 m apart on the…

A: Explanation Gravitational force between Tom and Sally can determined by Newton's law of gravitation…

Q: Calculate the mass in kilograms of a 4.86 kg object when its velocity, relative to us, is each of…

A: Write the expression for the mass.

Q: A rocket is at 0.010 of the distance between Earth and the Sun, closer to Earth. What is the ratio…

A:

Q: The center of a moon of mass m is a distance D from the center of a planet of mass M. At some…

A:

Q: A spaceship at rest relative to a nearby star in interplanetary space has exhaust speed of 5.00 x 10…

A:

Q: Suppose that q1 = 3 µC (3.0×106 on the figure in cm. Find the angle in degrees that the net force on…

A:

Q: A spaceship is traveling through space, far away from any planets or stars. The ship has a mass of…

A: The data given is as follows: 1. The mass of the spaceship, ms=520,000 kg 2. The initial velocity of…

Q: What is the difference (in N) in the weight of a 53.0 kg aardvark as measured in a location where…

A: The weight aardvark when g1 = 9.8095 is W1=mg1=53 kg9.8095 m/s2=519.9035 N

Q: Suppose a space probe of mass m1 = 4150 kg expels m2 = 3500 kg of its mass at a constant rate with…

A: Given data: The total mass of space probe is m1=4150 kg. The mass expels by space probe is m2=3500…

Q: The mass of an ear ring is 600mg. This mass in S.I. system is Oa. 600 x 10 kg Ob. 600 x 10³g Oc 69 O…

A:

Q: Mass is 150 kg, 1500 force at 38 degress, coef fiction is 0.38 and velocity is 9 m/s. a) Find the…

A:

Q: Newton's universal law of gravitation states that every particle in the universe attracts every…

A:

Q: The gravitational attraction between a 20kg cannonball and a marble separated center to center by…

A: Given data: Mass of cannonball is, M=20 kg. Let Mass of marble be, m. Center to center distance is,…

Q: A spaceship at rest relative to a nearby star in interplanetary space has a total mass of 2.00 ✕ 104…

A: The initial mass of a spaceship is, The mass flow rate of burning fuel is, The exhaust speed of a…

Q: The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon is flying north…

A: Mass of the eagle=M1 Mass of the pigeon=m2

Q: Estimate the acceleration due to gravity at the surface of Europa (one of the moons of Jupiter)…

A:

Q: The average distance separating Earth and the Moon is 384,000 km. A 3.00x104 kg spaceship is located…

A:

Q: 1. A spaceship at rest relative to a nearby star in interplanetary space has a total mass of 2.50 x…

A:

Q: 3. At a particular instant in time, a small star of mass m is directly in between two large stars,…

A:

Q: As a rocket moves away from the Earth's surface, the rocket's weight. depends on how fast it is…

A: As the rocket moves away from earth, it ejects a certain amount of gas. This results in an increase…

Q: The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon is flying north…

A:

Q: When an astronaut experiences weightlessness in deep outer space,  is she at equilibrium?  She may…

A: When an astronaut experiences weightlessness in deep outer space,  is she at equilibrium?  She may…

Q: Asteroid Toutatis passed near Earth in 2012 at eighteen times the distance to our Moon. If it has a…

A:

Q: ks) (a) Calculate the net acceleration of a space shuttle and rockets at the time of liftoff. (b)…

A: Given   force produced during the lift of on shuttle and rocket F = 1.7 × 107 N Mass of shuttle and…

Q: The statement that the resultant of the external forces on any system of masses equals the total…

A: Newton's law of motion is widely used in all physics applications, even all physics is constructed…

Q: A 65 700 kg celestial body experiences a 1.25 N force of attraction between it and a 75 500 kg space…

A:

Q: Calculate the increase in velocity (in m/s) of a 4650 kg space probe that expels 3070 kg of its mass…

A: Solution:   Given Values, Initial Mass (m0)=4650 KgMass expelled (me)=3070 KgExhaust Velocity…

Q: Q43.) The ionization chamber produces the ions (24Mg?+) and (26 Mg²+), of respective masses m, and…

A: The compartments 1, 2 and 3 as shown in the figure are responsible for production of ions,…

Q: A 4.6 kg rocket is launched directly upward from Earth at 9.00 km/s (rg= 6.38 x 10ºm, mg = 5.98 x…

A: Velocity of Rocket V = 9 x km/s  ; 9 x 103m/sMass of earth Me = 6 x 1024 KgRadius of earth Re = 6.4…

Q: Calculate the mass in kilograms of a 1.06 kg object when its velocity, relative to us, is each of…

A:

Q: A 60.8 kg person is standing inside an elevator. The elevator is moving upward at 3.49 m/s and is…

A:

Q: A 5.2 kg bowling ball and a 8.0 kg bowling ball rest on a rack 0.98 m apart. (a) What is the force…

A:

Q: Three identical bodies of mass M are located at the vertices of an equilateral triangle with side L.…

A:

Q: A spaceship at rest relative to a nearby star in interplanetaryspace has a total mass of 2.50 x 104…

A: a). Formula to calculate acceleration at time zero seconds is,

Q: What is the relationship between the mass of bodies and the accelerations they acquire during the…

A: Newton's second law is often stated as F=ma,                       which means the force (F) acting…

Q: Which of the following describe/s an inertial frame of reference?           I. Newton's 1st law is…

A: Option a is answer  inertial reference frames in which Newton first law of motion holds i.e. an…

Q: True or False If your mass is zero, that implies that your weight is zero.

A: Weight is defined as:- W=m.g where, m=mass of the bodyg=acceleration due to gravity=9.81 m/s2…

Q: You will need to use the Momentum Principle to do the first part of this problem, and the Energy…

A: