Write Good if the statement is True else write Bad if the statement is false. a) In a projectile motion, acceleration along x and y are both constant and is equal to the acceleration due to gravity. b) Kinetic friction force is dependent on the weight of the object and the type of surface the object is moving in. c) Uniform Circular Motion deals with body that moves in a circular path a velocity whose magnitude is constant. d) Acceleration in a linear motion always moves in the direction of the motion.

Q: A runaway cat walks 0.75 km due north. It runs due west to a hotdog stand. If the magnitude of the…

A: Correct answer is option (D) i.e. 0.66 km

Q: A train traveling at vo = 20.0 m/s begins to brake by applying a velocity-dependent instantaneous…

A: Write the expression for the velocity.

Q: 5. A car completes a 180° turn at constant speed as shown. (a) Draw the direction of the average…

A: (a) Given the car is moving with constant speed. So a car is said to be in a uniform circular…

Q: A rescue plane spots a survivor 116 m directly below and releases an emergency kit with a parachute.…

A:

Q: Which of the following statements is false regarding an object thrown upward from the ground and…

A: Given data: An object is thrown upward from the ground Object falls back to the original height Air…

Q: A rock of mass 0.5 kg is shot straight up in the air at 3 ms1 from the top of a cliff 20 m high. a)…

A: Given: The mass of rock is 0.5 kg.  The initial speed given to it is 3 m/s. The height of the cliff…

Q: Which is always true for an object in uniformly accelerated motion? A. Its velocity is constant. B.…

A: Given : an object is in uniformly accelerated motion

Q: Which of the following is correct? A. It is NOT possible for a body to be at rest and yet have an…

A:

Q: 3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average…

A: Given: vtakeoff=60 m/s acceleration= 2 m/s2 Length of runway=1.5 km a) 3 Kinetic Equations: Equation…

Q: A physics book slides off a horizontal tabletop with a speed of 1.30 m/sm/s . It strikes the floor…

A: The book will follow a projectile motion when it slides off from the horizontal table. The initial…

Q: A car is rounding a turn at a constant speed. What is true about its acceleration? a)  The car’s…

A: A car is rounding turn at a constant speed.  It means the path of car at this time is curved.

Q: In the motion of translation all the particles have ___ of linear displacement, linear velocity, and…

A: The motion in which all constituent particles moves with uniform displacement, velocity and…

Q: An object moves in a circular path at a constant speed. Compare the direction of the object's…

A:

Q: 4. An object is thrown horizontally off a cliff. a. Describe its horizontal velocity as its falls to…

A:

Q: An elevator is traveling downward at decreasing speed. If up as chosen as the positive direction,…

A: The elevator has no acceleration, when standing still, or moving with constant speed. The elevator…

Q: An object moves in a circular path at a constant speed. Compare the direction of the object's…

A: Given An object moves in a circular path at a constant speed. We have to choose the correct option…

Q: During a projectile’s ascent, to which direction does it accelerate? Select the best answer. a. It…

A: The force of gravity does not affect the horizontal component projectile motion, but it affect the…

Q: 3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average…

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

Q: 5. Two objects are falling in vacuum above a horizontal table, side by side. If one of the objects…

A:

Q: A car is traveling along a straight road and is speeding up. Which one of the following statements…

A: Option a

Q: The average velocity vector of a moving object points in the same direction as which of the…

A:

Q: You throw a rock off of a cliff in the horizontal direction with a velocity, v. One second later you…

A: Suppose hight of the cliff is h. Suppose rock 1 was thrown at time t=0 And rock 2 was thrown at time…

Q: The flight path of the helicopter as it takes off from A is defined by the parametric equations x =…

A:

Q: car travels at a constant speed of 42.0 km per hour around a circular track with a diameter of 2.00…

A: speed of car v= 42km/hr diameter of circular track d= 2 km

Q: 6. Each of the questions below refers to a projectile that is launched from the top of a tower, 45.0…

A:

Q: 9. A carnival attraction tests your strength by how far in the air you can drive a weight with a…

A:

Q: In the Soap Box Derby, kids build non-motorized cars with very low-friction wheels. They race by…

A:

Q: before colliding with a

A: Partially inelastic

Q: If two or more force vectors are added, then the result is a resultant force. b) Under what…

A: To conclude when we can use the conditions of Pythagorean theorem and the law of cosines to…

Q: Phil is trying to dunk a basketball and leaves the ground with a vertical velocity of 3.5 m/s. a)…

A:

Q: When there is air resistance present how to the velocity and acceleration vectors behave?   a.The…

A: Velocity vector is always along tangent of trajectory whether air resistance present or not.

Q: What is the sign of the accelerations of the cart (in the x direction) the instant it reaches its…

A: At maximum height vf  will be zero. Given s=4m vi=5m/s vf = 0m/s Apply Equation of Motion…

Q: 6) Select the statement that is true about an object in two-dimensional projectile motion with no…

A: False The speed of the object in a projectile is always changing because the vertical component of…

Q: An object is thrown horizontally off a cliff. a) Describe its horizontal velocity as its falls to…

A:

Q: A ball of mass 0.15 kg is attached to the end of 1.1 m long cord. The ball is swung in a vertical…

A: The objective of this question is to find the minimum speed of the ball at the top of the motion so…

Q: Which of the following is not being described by a vector? a. A car travels at a constant speed of…

A: we know that,vector:a quantity which has magnitude as well as direction.

Q: 3. Hank Aaron hit a baseball with an initial speed of 210 feet per second at an angle of 30° to the…

A:

Q: An object moves along the ry-plane. At some instant, its velocity and acceleration are – (3 m/s) ĵ ,…

A: A. is the correct option.   For an object to move in a straight line the velocity vector and the…

Q: 4. Swims across Lake Erie are officially sanctioned by the Lake Erie Open Water Swimming…

A: If two vectors (P→ and Q→) are directed in two different directions and the angle between them is θ…

Q: Three force vectors are added together.  One has a magnitude of 9 N, the second one a magnitude of…

A: Given: Magnitude of first force vector = 9 N Magnitude of second force vector = 18 N Magnitude of…

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.