A baseball projected with an initial velocity of 141 m/s at an angle of 45° follows a parabolic path and hits a balloon at the top of its trajectory. Ignoring air resistance, show that the ball hits the balloon at a speed of 100 m/s.

Q: A rock with a 8 kg mass is tied to a string and swung in a circular path. The 1.8 meter string is…

A:

Q: If air drag can be ignored, at what point in its trajectory does a batted baseball have its minimum…

A: Ball will have minimum speed at the highest point of the trajectory. This is because, at highest…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A:

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: The expression for the vertical distance of the ball,

Q: far does the boat travel during this time?

A: Given data; Acceleration in a straight line at a constant rate  a= 3.0 m s-2 Time,t= 8 secWhere…

Q: Show that there is no change in the force of gravity between two objects when their masses are…

A: Consider two objects having mass m1 and m2 and they are at distance r apart from each other. The…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: For horizontal motion Vx=constant. So,

Q: Anton claims that he can throw a dart at a dartboard from a distance of 2.0 m and hit the 5.0 cm…

A: The speed of the dart given in the question is wrong as practically it can't be so high. Assuming…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: As per the guide lines first 3 sub part is solved, kindly post remaining as a new post. (a) The…

Q: What is the advantage of launching space vehicles from high flying aircraft instead of from the…

A: There are several advantages of launching space vehicle from the high flying aircraft instead of the…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: height of playground (h') = 5.30 m height of vertical wall (h) = 6.80 m Launch angle (θ) =…

Q: What is a vertical circular motion? Show that the motion of an object revolving in a vertical circle…

A: In a vertical circle, a body spins in such a way that its motion at different points is different…

Q: A cork shoots out of a champagne bottle at an angle of 35.00 above the horizontal. If the cork…

A: Given Data: The angle at which cork shoots is: θ=35.00° The horizontal distance is: d=1.30 m The…

Q: Why doesn't the force of gravity change the speed of a bowling ball as it rolls along a bowling…

A: The gravitational force that acts downward is balanced by the normal reaction of the floor of the…

Q: recall that g = 9.8 m/s² = 32 ft/s² is the acceler- ation due to gravity on the earth's surface.…

A: Given: The angle of elevation is θ. The height is h. The distance is d.

Q: A pelican flying along a horizontal path drops a fish from a height of 5.4m. The fish travels 8.0 m…

A:

Q: A projectile is fired eastward from the earth's surface at A degree north latitude with a velocity…

A: Coriolis acceleration = -2ω→×v→ We keep only  the x- components of Coriolis for and ignore the rest.…

Q: Choose the BEST answer to the following: The magnitude of gravitational force on a satellite is…

A: Write the expression for the gravitational force on a satellite.

Q: A satellite A has twice the mass of satellite B. The satellites orbit a planet with the same orbital…

A: The formula for the orbital velocity of a satellite is:

Q: astronauts appear wieghtless in space becaue 1. there is no gravity 2.there is no floor pushing…

A: To determine: Correct option for the given statement.

Q: A projectile is launched upward at an angle of 75° from the horizontal and strikes the ground a…

A: Given θ = 75o

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A:

Q: (d) What If? If the teacher always launches the ball with the speed found in part (a), what is the…

A:

Q: One of the teachers kicks the ball back up to the children as shown in the figure below. The…

A:

Q: A 0.5 kg ball rotates at a constant speed of 6 m/s on the end of 1.2 m long string. The string…

A: The centripetal acceleration is 30 m/s^2

Q: Suppose an object is dropped from a height h (h < RĘ, where Rp is the radius of Earth). Show that…

A:

Q: What are the necessary conditions for a satellite to appear stationary?

A: 1) the time period should be 24 hours.2) the orbital plane of the satellite must be same as that of…

Q: A rifle is aimed horizonally toward the center of a target 120m away. If the bullet strikes 11.2cm…

A: Given:Horizontal distance covered by bullet = 120 mVertical distance covered by bullet = 11.2 cm =…

Q: Explain why a spinning cricket ball in air does not follow a parabolic trajectory.

A: A circket ball moves simultaneously in two motions ,they are rotatory motion and linear motion

Q: A ball is thrown horizontally at 54.0 m/s from the top of a tall tower. After 3.2 second its…

A:

Q: A projectile is launched upward at an angle of 75ﾟ from the horizontal and strikes the ground a…

A: Given that the projectile is launched at an angle of 750 with the horizontal. The range of the…

Q: A projectile was launched at a tower with a velocity of 30 m/s and an inclination of 40° from the…

A:

Q: Choose the BEST answer to the following: A satellite in Earth orbit is above Earth’s (a) atmosphere.…

A: If a satellite escapes the gravitational field, it cannot orbit.

Q: A ball is tied to a string and swung so that the ball follows a circular path that lies in a…

A: Here, it is given that a ball is tied to a string and swung so that the ball follows a circular path…

Q: Why is it easier to throw a curve with a tennis ball than a baseball?

A: While an object moves in a curved, it continuously changes its direction. How easily a ball can move…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: Given The horizontal distance covered by the ball is R=24 m. The angle at which the ball is…

Q: (a) Find the speed (in m/s) at which the ball was launched. (b) Find the vertical distance (in m)…

A:

Q: cannonball is launched at 45° above horizo

A: Motion of projectile can be divided into x component and y component

Q: A satellite is in a circular earth orbit that has a radius of 6.63E+6 m. A model airplane is flying…

A:

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal…

A:

Q: orbital speed

A:

Q: If air drag can be ignored, at what point in its trajectory does a batted baseball have its minimum…

A: An object which is projected by some means and continuous its motion in the projection by its own…

Q: The moon is a fast moving projectile. True or False?

A: Projectile motion Object which is thrown into the vacuum  is denoted as a projectile motion. After…