Two boxes of different masses connected by a cord and were thrown upward together. If not consider air resistance, their accelerations are

Q: Is it possible for a body to have inertia but no weight?

A:

Q: The terminal speed of a ping-pong ball falling through air is about 20 mph. If the ball were thrown…

A:

Q: Why do you lurch forward in a bus that suddenly slows? Why do you lurch backward when it picks up…

A: We lurch forward in a bus that suddenly slows, as at the instant the bus slows, body still keeps…

Q: 4. A 10.0 kg mass hangs on a string with a tension of 52.0 N, what is its acceleration? (-4.61 × 4.6…

A: Given data Mass m=10.0 kg Acceleration due to gravity is g=9.80 m/s2 Tension in the string is T=52.0…

Q: Consider a crate at rest on a factory floor. As a pair of workmen begin lifting it, does the support…

A: Since, as the crate is getting pulled, the force due to gravity which is constant "mg" is balanced…

Q: The equilibrium rule, Σ F = 0, which means “the sum of all the forces is equal to zero”, applies to…

A: The equilibrium rule, Σ F = 0, it state that the sum of all the forces is equal to zero or we can…

Q: Two skydivers jump from a plane at the same time. Skydiver 1 has a mass of 50 kg and Skydiver 2 has…

A: Terminal velocity of skydivers

Q: How does a helicopter get its lifting force?

A: The helicopter gets the lifting force by pushing the air downwards and it gets the thrust from the…

Q: What happens to the weight reading on a scale you stand on when you toss a heavy object upward?

A:

Q: When flying a paper airplane, what is causing the thrust?

A: Thrust is another name given to a force responsible for the motion of airplanes and rockets. In…

Q: What acceleration does a baseball of mass 0.27 experience when hit by a bat if 180 N are exerted by…

A: Given  Mass = 0.27 kg Force When a baseball  hit by a bat(F) =180N We know that…

Q: When a car accelerates on a horizontal road, the push of the road on the car is _______ the push of…

A: According to the Newton's third law, To every action, there is an equal and opposite reaction.

Q: Does the acceleration increase or decrease as the mass increases?

A: From newton 2nd Law of motion F= ma a=F/m from above acceleration is inversely proportional to the…

Q: What is a force?    **answer in own words**

A: solution is given by

Q: Find the acceleration (in m/s2) produced in a body of mass 4 kg when a force of 24 N is applied on…

A: According to the Newton's second law  Net force = mass x acceleration

Q: The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. Why then doesn’t the…

A:

Q: when air resistance and weight are equal the objects stop accelerating and reaches its terminal…

A:

Q: A 51.5-kg swimmer with an initial speed of 1.25 m>s decides tocoast until she comes to rest. If…

A:

Q: Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so,…

A: According to newton any object of mass (say “m”) in the universe is attracted by any other body in…

Q: What will happen to the acceleration of an empty cart when loaded with vegetables and the cart’s…

A:

Q: Ignoring air resistance, if a 10 kg box and a 100 kg box were both dropped from the top of a V […

A: Given data: Mass (m1) = 10 kg Mass (m2) = 100 kg Air resistance is negligible

Q: Is it possible to avoid injury if I'm riding in an elevator that breaks free and plummets down the…

A: No it is not possible to avoid injury if I am riding in an elevator that breaks free And plummets…

Q: Why does a bungee jumper feel weightless during the jump?

A: A bungee jumper feels weightlessness when he jumps the platform. When the jumper is standing on the…

Q: A parachute has the same mass when it is in a pack and when it is spread out, but when the parachute…

A: The mass in both the given cases is identical for the parachute. When the parachute is not spread…

Q: In the absence of air resistance, which will fall first to the ground..... a handkerchief or a…

A: Any object falling under the force of gravity experiences the same acceleration due to gravity i.e.…

Q: the force of friction

A: Using relation V2 - U2 = 2as 02 - 82 = 2 x a x 10 0-64= 20a -100/20 = a -3.2 m/s2 = a

Q: When I play tug-o-war with my 47 kg dog, I can "win" with a 380N pull at a 25° upward tilt - he…

A: mass of dog (m) = 47 kg applied force (F) = 380 N @25o upwards

Q: How does the mass of an object affect its acceleration?

A:

Q: A 30 kg girl and a 40 kg boy stand on roller skates, face one another, and push off each other. If…

A: Newton's third law of motion state that, when two objects contact, they apply forces on each other…

Q: What acceleration does a baseball of mass 0.35 experience when hit by a bat if 203 N are exerted by…

A:

Q: 66. A 0.4 kg volley ball is thrown up the air. Which of the following best shows the force/s acting…

A: We know that. when the ball is in air, there are 2 forces acting on it. 1. The weight force of the…

Q: A woman stands on a weighing scale in a non - moving elevator. When the elevator started to move,…

A:

Q: If an object is NOT accelerating, then the forces acting on the object are?

A: Given data The acceleration is a=0   The net force on the object is, Fnet=ma=m0=0 Here m is mass of…

Q: You are weightless when you are A. In free fall B. Without a support force C. Infinitely away from…

A:

Q: Your empty hand is not hurt when it bangs lightly against a wall. Why does it hurt if you are…

A: From newton's 2nd law we have,

Q: What is the net force experienced by a 2N object sitting on a table with a 5 N object on top of…

A: Consider the free-body diagram for the given objects as follows.

Q: What is the relationship of the hanging mass to the acceleration of the cart? to time of travel?

A: Acceleration  It states that the ratio of velocity to the time of the object Tension Tension is a…

Q: How does a helicopter gets its lifting force?

A: the helicopter gets the lift by pushing the air downwards and it gets the thrust from the reaction…