Neil Armstrong  did an experiment on another planet and dropped a 1kg rock from rest and he found that it fell a vertical distance of 8 meters in one second. On this planet,what is the weight of the rock?

Q: An astronaut's pack weighs 11.4 N when she is on earth but only 2.02 N when she is at the surface of…

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Q: This is the law that defines acceleration as the ratio of net force to mass.  A) Newton’s First Law…

A: According to Newton second law of motion is force is directly proportional to the rate of change of…

Q: The mass of two balls is 0.80kg each and they are separated by a distance of 0.25 meters. Calculate…

A: The gravitational force between two objects is defined as F=Gm1m2r2 Here G is the gravitational…

Q: What breaking force is needed to stop a 1200 kg train moving at 25 m/s in a time of 2 seconds?

A: Given data: Mass of the train m =1200kg Speed v= 25 m/s Time t= 2 seconds

Q: The drag force on a boat varies jointly as the wetted surface area and the square of the velocity of…

A: Given, The drag force on a boat varies jointly as the wetted surface area and the square of the…

Q: What is the force on a 1000 kg elevator that is falling freely at 9.8 m/s ?

A: Given data The mass of the elevator is m=1000 kg The accleration during the free fall is a=9.81 m/s2…

Q: A car with weight of 9,009 newton is moving with 37.6 km/h. The driver applies the breaks to stop…

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Q: A ball is dropped from the top of a tall building. The displacement of the ball after 1.5 seconds is…

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Q: I don’t know the answer

A: Given:Mass of the block (m) = 3 kgForce applied on the block (F) = 2 NForce applied for time (t) = 6…

Q: The acceleration due to gravity on a planet is 9.2 m/s2. The mass (in kilograms) of a book that…

A: Let g be the acceleration due to gravity on the planet, W be the weight of the book measured on the…

Q: A skier with a mass of 80 kg skied down a mountain run with an elevation change of 4.25 m, what was…

A: The given values are, m=80 kg∆h=4.25 mv=?

Q: Gravitational acceleration is acceleration of bodies when they are in 1. ground 2. air 3. freely…

A: Required : Correct Option.

Q: Who among the choices will be able to lift the weight?

A: To solve this we find if the moment generated by the muscle at the joint is greater than or equal to…

Q: A 3,500-lb car starts to roll from the top of a 500-ft hill which is 700 ft long. How fast is it…

A: Given: The mass of the car is 3500 lb. The height of the hill is 500 ft. The length of the path is…

Q: Name the absolute unit and gravitational unit of force.

A: Si unit: The SI unit system is the system of units defined by the international organizations to…

Q: An object that has a mass of 589 kg is on a journey from the earth to the moon. If the distance from…

A: mass of object (m) =589 kg mass of earth (M) = 5.97×1024 kg mass of moon (M') = 7.35×1022 kg…

Q: A 112-kg astronaut is tethered to the International Space Station (ISS) and is 26 m from the center…

A: Given Data   Mass of Astronaut MA = 112 Kg Distance  from Astronaut to ISS  R = 26 m  Gravitational…

Q: An airplane takes 5 hours to travel a distance of 4800 miles with the wind. The return trip takes…

A: Write the expression of speeds when airplane travels with the wind. vp+va=48005vp+va=960 miles/h…

Q: An airplane travels a distance of 500 km against the wind in one hour and 45 minutes. Travelling the…

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Q: A car is moving at a speed of 6 meters/Second In 5 Seconds, he increases its speed to 16…

A: We know thatv=u+atWherev=final velocityu=initial velocitya=accelerationt=time taken

Q: Your mass is 75.0 kg, and the sled s mass is 23.3 kg. The sled is moving by itself on the ice at…

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Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…

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Q: Standing on your bathroom scale in an elevator, you are shocked to see that you weigh 1.5 times your…

A: Let the weight of the person is W=mg Increased weight is WI=1.5mg

Q: An elevator motor lifts a 2650-kg load a height of 39 m in 12 s.

A: Energy gained by a body as it climbs a certain height or energy needed to move a body up a cetrain…

Q: In 5 seconds a hawk can go from 10m/s to 20m/s. How much force does it need to apply to reach the 20…

A: given: u = 10 m/sv =20 m/s∆t = 5s m =0.3 kg

Q: A hover pack has a mass of 1000 g and hanging weight is 100 g. What is the expected elapsed time of…

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Q: mass of 10 grams is dropped from a building 100 meters high. After what time will the object hit the…

A: given u = 0 h=100 m

Q: Using the alternate form of Newton's second law, compute the force (in N) needed to accelerate a…

A: Given data: Mass of car is, m=1170 kg. Initial speed of car is, u=0 m/s. Final speed of car is, v=16…

Q: The law that states that net force must not be equal to zero for a body to accelerate or move A.…

A: Newton’s first law states that  " if a body is at rest or moving at a constant speed in a straight…

Q: According to Newton's Law of Universal Gravitation, the gravitational attractio between two objects…

A: "Since you have asked multiple questions, as per instructions to us, we will solve the first…

Q: F = mg is short for the gravitational force for a satellite revolving around any object the…

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Q: What is the acceleration of a 15Kg box sliding down a 30 degree (to horizontal) slope if the Uk is…

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Q: psi is a unit of force. Group of answer choices True False

A: Required:  Psi is a unit of which physical quantity

Q: You are on the moon and drop a 10 kg ball. If you are standing on a cliff that is 49 meters tall,…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 49 m Gravity on the Moon (g) = 1.63 m/s2…

Q: A ball is dropped from the top of a tall building. The displacement of the ball after 1.5 seconds is…

A: Given data: Time t =1.5s

Q: A force accelerates a cart from 0 to 5 m/s while it travels 15 meters. Would the same force cause it…

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Q: Tony Stark is standing beside Thor who is standing on the top of Stark Tower (425 m) his hammer has…

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Q: A force of 600 Newtons acts on a ball for 1.5 seconds after being hit by a volleyball player. If the…

A: Given  Force acts on ball , F = 600 N  Time , t = 1.5 second s  Mass of ball , m = 275 gm = 275×10-3…

Q: What is the acceleration of a 15 kg box sliding down a 30 degree (to horizontal) slope if the Uk is…

A:

Q: On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short…

A: Given data *The mass of the jet is m = 17900 kg *The initial speed of the jet is u = 0 m/s *The…

Q: Question 1 m = 1.7 kg, a = 2.5 m What is the Force? Round your answer to the tenths place.

A: Given that the value of mass(m) and acceleration (a). Then We have to determine the value of…

Q: The actual weight of a body is always: O greater than the apparent weight smaller than the apparent…

A: Let the mass of a body is m  then the weight will be w=mg  ( g is the acceleration due to gravity)…

Q: Four arrows, all with the same shape and size, are shot directly upward. Ignore the effect of air…

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Q: The acceleration of gravity on the surface of the moon is approximately 1/6 of that at the surface…

A: Given Information:- Mass of the astronaut on the surface of the Earth is MEarth=48 kg Acceleration…

Q: The weight of a 2kg object on Earth is: 9.8 N 19.6 kg 2 N 19.6 N

A: In the given question given that mass of the object is 2kg. Then We have to determine the weight of…

Q: A stone is dropped from the edge of a cliff and hits the ground below in 3 s. The hight of the cliff…

A: Given data:  Initial velocity (V0) = 0 m/s Time (t) = 3 s Required: Height of the cliff