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Q: Give an example of motion in which speed remains uniform, but the velocity changes.

A: Consider a uniform circular motion. In this case, each instant, direction of motion is continuously…

Q: Suggest a way on how to use the parallelogram method to add more than two vectors.

A: Let us find resultant of 4 vectors A vector , B vector , C vector and D vector.

Q: If the value of g changes how does it affect the path of projectile?

A: The gravity affects only the vertical component of velocity.

Q: What is the purpose unit of vector in real life?

A: Generally there are two types of physical quantities as scalar and vector.

Q: he parametric equations for the paths of two projectiles are given. At what rate is the distance…

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Q: Describe projectile motion and circular motion and make 5 comparisons.

A: Circular motion: The motion of the object along the circumference of the circle is called circular…

Q: Derive the expressions for time of ascent, time of descent and time of flight for an oblique…

A: ux= ucosθuy= usinθ we have from equation of motion  y=uyt+12at2y=uyt-12gt2, Since we know final…

Q: If my ping pong ball launcher is at a 45 degree angle and the distance travelled is 1.2 what would…

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Q: ojectile?

A: Projectile motion is defined as the form of motion that is experienced by an object when it is…

Q: ball is thrown into the air and follows the parabolic path indicated by the dashed line. Use the…

A: Given,  A ball is thrown into the air and follows the parabolic path indicated by the dashed line.

Q: What is the unit for magnitude for acceleration ?

A:

Q: A stroboscopic picture of a ball is taken every 0.2 s. What is the speed of the ball when it reaches…

A: Given picture is taken at every 0.2s and there are 5 point picture taken. Therefore total time taken…

Q: Mohaben Kamid wrote his solutions and answers of their quiz in a sheet of paper and crumpled it and…

A: The angle of inclination is given as, θ=30o. The distance between Mohaben and Datu is given as,…

Q: Unit 7 Test, MomentumRevision: 3/22/2021 10. Block 1 with a mass of 1.0 kg slides down a…

A:

Q: In 3-5 sentences, please explain if the range would be affected by the mass of the projectile, and…

A: We know all masses fall toward earth with the same acceleration that is acceleration due to gravity…

Q: Consider the following statement: When a rifle is fired horizontally, the bullet leaves the barrel…

A: Answer :-     No, this statement is not true. it is affected by the force of gravity.

Q: If an object moves along a circular path at a constant speed, why would velocity constantly change?

A: When object moves on a circular path with constant speed or varying speed  changing it's direction…

Q: Why does the horizontal speed stay constant in a projectile motion?

A: In a projectile motion, there is no force acting along horizontal direction. Acceleration is acting…

Q: Which two factors affect how much time a ball rolling horizontally off a table top will be in the…

A: Yes,Height and gravity are two factors that effect the time taken to reach ground.

Q: circular motion an acceleration motion? Why?

A: When a particle moves on circumference of a circle.

Q: Supposed an active volcano is erupting soon and is expected to eject large rocks to the nearby town,…

A: First of the maximum speed of a projected ston should be collected from the experimental data or…

Q: Derive the equation for trajectory and show that the nature of the path of projectile is a parabola.

A: The term trajectory, is the path that an object with mass in motion follows through space as a…

Q: Consider the range equation. If the gravity is increased by a factor of 2, what would happen to the…

A:

Q: a projectile fired from a canon travels 450 meters away in 5 seconds, how high did the projectile…

A: Given: The horizontal distance traveled by the cannon ball is 450 m, The time of flight is 5 s.

Q: If a ball is thrown in the air at an initial velocity of 70 m/s, the initial velocity of the ball is…

A: Initial velocity of ball, vo = 70 m/sAcceleration due to gravity, g = 10 m/s2

Q: 3. A stationary atomic nucleus undergoes radioactive decay and a beta particle (a fast- moving…

A:

Q: What causes projectile motion?

A: Given: What causes projectile motion

Q: A gun is fired with angle of elevation 30°. What is the muzzle speed if the maximum height of the…

A: Given data:  Angle (θ) = 30° with the horizontal Maximum height (hmax) = 504 g = 9.8 m/s2 Required:…

Q: Suppose Jules Verne’s cannon launches a rocket straight upward with an initial speed equal to…

A:

Q: Where does the number 5/18 m/s come from?

A:

Q: If the golf ball has horizontal velocity of 6.0 m/s and vertical velocity of 0.3 m/s, what is the…

A: Given, Golf horizontal velocity, ux = 6.0 ms vertical velocity, uy = 0.3 ms

Q: Why does the vertical component of velocity for a projectile change with time, whereas the…

A: The vertical component of velocity for a projectile changes with time because the force of gravity…

Q: Show that the path of a projectile is a parabola.

A: When a body is projected with a speed u with an angle of inclination theta with the horizontal line.

Projectile Motion