Is the gradient of the deceleration equal to the force of friction?

Q: For a freely falling object, the acceleration and the speed To double the time of fall, the height…

A: Freely falling objects are those objects which fall under the influence of gravity.

Q: arm Up What causes the motion of a body which is initially in the state of rest Acceleration B.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The acceleration of a mass is given by a=3+2t, What is the initial velocity if x(1)=x((0)?

A:

Q: A RUNNER Completed a 400 meter race track in 3 minutes. . Assume that the runner had a uniform…

A: Given data:   Distance (d) = 400 m Time (t) = 3 minutes Required: Speed (v)

Q: A railway engine pulls a wagon of mass 10000 kg along a straight track at a steady speed. The pull…

A: Scenario - Wagon is pulled by an engine at constant speed at first. Later the force is increased…

Q: When a car suddenly starts from rest, the passengers due to their inertia. O a. stay still O b. fall…

A:

Q: Calculate the force required to pull a stuffed toy duck (mass m = 1.75 kg) at a constant velocity of…

A:

Q: A baseball is thrown from first base to second. Ignoring forces other than gravity, which of the…

A: Given data:  Baseball thrown from first base to second  Only acceleration to gravity is acting on…

Q: The Distance Travelled By A Moving Body Is Directly Proportional To Time. Is Any External Force…

A: By the second equation of motion : S= ut + 12 at2 S is directly proportional to the time only when…

Q: If a ball is thrown vertically into the air in the presence of air resistance, would you expect the…

A: By using the principle of exaggeration, a ball is thrown vertically into the air in the presence of…

Q: An object with a mass of 2.0 kg accelerates 2.0 m/s? when an unknown force is applied to it. What is…

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: An aircraft gains speed during takeoff due to the constant thrust of its engine. When is the…

A: Given : an aircraft

Q: A ball of weight 20 N is thrown upward at 20 m/s. At the highest point, a. Its acceleration is zero…

A: Given Weight of ball is W=20 N Initial speed is v_0=20 m/s At the height point, the velocity of the…

Q: Describe the motion of a person not wearing a seat belt if the car stops suddenly--- Select one: O…

A: Ans. option (c) the car will stop and the person will keep moving forward because of inertia.

Q: vith an Initial velocity of 28 m/s, 35° above the horlzontal. ASsume that forces from the air on the…

A:

Q: Can you cite an example in which the acceleration of a body is opposite in direction to its…

A: Velocity of a body is defined as rate of change of displacement with time. And acceleration of a…

Q: .) A 120 kg receiver pushes off the ground with a force of 3000 N, determine the upward acceleration…

A:

Q: What is the acceleration due to gravity on the top of Mount Everest? Mount Everest is the highest…

A:

Q: Two skaters are standing on ice facing each other. Skater 1 pushes on skater 2 with a force of 70.0…

A: To determine: The acceleration of each skater standing on ice facing each other   Given: Applied…

Q: A truck travels beneath an airplane that is moving 170 km/h at an angle of 34° to the ground. How…

A: As shown in the figure, the plane is flying at an angle of 34 degrees with a speed of 170 km/h. The…

Q: Inertia of an object is O a. the tendency of an object to remain in its original state O b. the…

A: Here given the term inertia. We have to find which statement below is correct for inertia.

Q: If you throw a ball straight up into the air, how does the time it takes to reach its highest point…

A: Consider a ball of mass m, when it is thrown up with the initial velocity (u), then the expression…

Q: 30 3 m A 1.5 m 10 m

A: Given, height of the player, h = 1.5 mheight of the basket, H = 3 mhorizontal distance, R = 10…

Q: Describe the motion of a person not wearing a seat belt if the car stops suddenly-- Select one: O a.…

A: Given situation: A person is not wearing seat belt traveling in a car and suddenly car stops. We…

Q: If after an object is thrown, no other force acts on it except gravity, what are its horizontal and…

A: There exist only gravity and we know that the gravity is in vertical direction and acts downward so…

Q: A block is given an initial velocity of 6 m/s up a frictionless indline of angle of 37. How far up…

A:

Q: If a car is traveling eastward and slowing down, what is the direction of the acceleration on the…

A: Acceleration is defined as the rate of change of velocity per unit time.

Q: What would happen if the downward acceleration was greater than g in an elevator?

A: Introduction: When gravity is the only force acting on a body, then the motion of a body is said to…

Q: A train is required to run between two stations 3 km apart at a schedule speed of 42 km/h, the du-…

A:

Q: If the limb is in the road at a distance of 550 meters from where the car begins it’s initial…

A:

Q: At a certain mining operation, 2400 kg of gravel falls onto a conveyor belt every minute. If the…

A: Force exerted by the gravel on the belt F=ddtmv=mdvdt+vdmdt=vdmdt             dvdt=0

Q: is a push or a pull that one object exerts on another object Force O velocity speed O none of the…

A: Force : It is a push or pull upon an object exert from the object's interaction with the other…

Q: If a fly collides with the windshield of a fast-moving bus, which experiences the greater…

A: If a fly collides with the windshield of a fast-moving bus, which experiences the greater…

Q: A person standing on a 25 m tall cliff kicks a ball at 8.5 m/s at an angle of 77° to the vertical…

A:

Q: The net force applied to an object traveling in a straight line at a constant velocity of 2.5 m/s is

A: Given Object moving with constant velocity is v= 2.5 m/s Acceleration of an object is a= 0 Because…

Q: Which of the following is NOT true regarding the motion of the cart down the inclined if friction is…

A: Here, it should be noted that the acceleration of the cart is constant and is exactly equal to the…

Q: Describe the motion of a person not wearing a seat belt if the car stops suddenly- Select one: a.…

A: Introduction: The inertia of any object that resists the change in velocity of the object, means if…

Q: A mine shaft elevator and its payload have a combined mass of 1006 kg. Say the elevator is moving…

A: Given:mass, m=1006 kginitial velocity, u=20 m/sfinal velocity,v=0distance,s=45 mTo…

Q: What is the acceleration of a projectile when it reaches its highestpoint?

A: Acceleration: The term acceleration in physics can be defined as the rate of change in the velocity…

Q: If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant…

A: The crate is moving with a constant velocity. The acceleration of the crate is thus zero. The net…

Q: At a given instant in time, a 7-kg rock that has been dropped from a high cliff experiences a force…

A: Given: mass of rock, m = 7 kg  air resistance, F = 25 N

Q: Which mass is undergoing the greatest amount of acceleration? 1 kg subjected to a force of 1 N 1 kg…

A: To determine: The correct option.