A ball is thrown straight upward with a velocity of 39 m/s. How much time passes before the ball strikes the ground? (disregard air resistance (drag))

Q: A Napoleon cannon has a muzzle velocity of 450 m/s. If the cannon is fired at an elevation of 5.1°,…

A: muzzle velocity (v) = 450 mslaunch angle (θ) = 5.1o

Q: A stone is thrown straight up. When it reaches its highest point, A Both its velocity and…

A:

Q: What is the height of a projectile in 5 seconds if its initial height is 385 feet, and it has a…

A: Given : t = 5 seconds yo = 385 feet vo = 10 feet per second

Q: A ball is thrown upward at 4.6 m/s, from a height of 20 m above the ground.  How fast (m/s) does…

A: Given data:  Initial velocity = 4.6 m/s, upward Height = 20 m Required: Velocity of ball when hit…

Q: A car accelerates uniformly from zero to 12 m/s^2 in 8 seconds staring from rest. During the next 4…

A: initial velocity of the car = 0 msacceleration for first 8 seconds = 12 ms2acceleration for next 4…

Q: If a projectile is fired straight up at a speed of 20 m/s, the time it takes to reach the top of its…

A: Given: The initial velocity of the object is 20 m/s upward.

Q: When spiking a volleyball, a player changes the velocity of the ball from 4.6 m/s to -24 m/s along a…

A:

Q: At an average speed of 11 m/s, how many kilometers can a cyclist travel in a 7 hour day?

A: Given data:  Average speed (Vavg) = 11 m/s Time (t) = 7 hour Required: Distance traveled in…

Q: A car travels 40 m in 8.5 s with uniformly de-acceleration to a final velocity of 2.8 m's. (1) Find…

A: Given: The distance (S) traveled by car is 40 m. The time is taken (t) for the motion is 8.5 s. The…

Q: A jet plan lands with an acceleration of 5 m/s^2 as it comes to rest. From the instant it touches…

A: Newton 's motion equations :         v  = u   +     at        S   =  ut    +   1/2at²        v²=…

Q: A ball is thrown straight upward with an initial velocity of +7.3 m>s. If the accelerationof the…

A:

Q: A ball is pushed downhill with an initial velocity of 9.8 m/s. The ball rolls down a hill with a…

A:

Q: Miss Aquino’s car travels at a constant acceleration of 5 m/s^2 from rest. How long will it have…

A: The equation of motion is given by, v2=u2+2as Here, v is the final velocity, u is the initial…

Q: A cyclist moves with a speed 2 m/s, then accelerates at 1.2 m/s2 after a distance 25 Then the final…

A: Correct option is (b) 8m/s

Q: A tennis ball is shot straight upward from the ground with an initial velocity of +35.0 m/s. How…

A:

Q: a certain handgun with a muzzle velocity of 325 m/s is fired straight up. neglecting air resistance,…

A: Initial velocity of bullet (u) = 325 m/sTo find : time taken by the bullet to fall back to the head…

Q: A stone is thrown straight up. When it reaches its highest point, A Both its velocity and…

A: When a stone is thrown straight up. When it reaches its highest point  (C)  Its velocity is zero and…

Q: A stone is thrown vertically upward at the rate of 20 m/s. It will return to the ground after how…

A:

Q: If a bus travelling at 18 m/s is subjected to a steady deceleration of 3 m/s?, how long will it take…

A: Given data :- initial velocity u = 18 m/s final velocity v = 0 m/s deceleration a = -3 m/s2

Q: What is the acceleration of a rock thrown straight upward on the way up? At the top of its flight?…

A: Acceleration is the change in velocity with respect to time.

Q: an arrow is shot vertically upward with a speed of 34 m/s and 4 seconds later another arrow is shot…

A: Let us call the first arrow A and the second arrow B. The distance traveled by A in 4 sec is: The…

Q: On earth, a ball is thrown straight downward with an initial speed of 1 meter per second from a…

A:

Q: A ball thrown vertically up is caught by the thrower after 2s. The velocity with which it reaches…

A: Given : t = 2 s

Q: A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 100…

A: A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 100…

Q: A bullet moves at 400 m/s for a time of 250 µs. How far does it travel? O 8 cm O 100 cm O 45 cm O 2…

A: In the given question, the speed of the bullet is given and the time taken is also given. We have to…

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A:

Q: A ball is thrown upward and passes a powerline that is 15 ft off the ground at times 0.5 s on the…

A: Given: The height of the ball thrown upwards=15ft=4.5m time on the way up t1=0.5s time on the way…

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A: The distance covered by the player is

Q: In general, when is the velocity... (briefly describe)  A. > 0 Instantaneous Velocity: Average…

A: Instantaneous velocity is given by slope of displacement (x) - time(t) curve ,whereas average…

Q: A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice…

A: Given: Height = 25 m Time interval = 4 seconds The velocity of ball =?

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A:

Q: One of the fastest pitches in baseball is recorded at 45 m/s. If this pitch were directed upwards…

A: The maximum height travelled by the ball Hmax is calculated by using the formula  Hmax=u2sin2θ2g ,…

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a…

A: given : speed of second player, v = 14.3 m/s             initial speed of first player, u = 0…

Q: A person tossed a ball vertically upwards at an initial movement rate of 15 m /s, and it rose and…

A:

Q: A ball is thrown straight up in the air. For which situation are both the instantaneous velocity and…

A: When a ball is thrown straight up in the air with suppose velocity, V0, then  it's velocity at time…

Q: A kangaroo jumps straight up to a vertical height of 1.15 m How long was it in the air before…

A: From kinematics,

Q: Concerning projectiles, which of the statements below is correct? Its acceleration keeps changing.…

A: Projectile motion is the combination of two dimensional motion one is along x axis and another is…

Q: A rock is thrown straight upward with an initial speed of 3.2 m/s from a height of 1.4 m above the…

A: Given Initial speed, v=3.2 m/s Height, h=1.4m A rock is thrown straight upward  with an initial…

Q: If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s, how long will it take…

A:

Q: A stone is dropped from a captive balloon at an elevation of 1000 ft (304.8 m). Two seconds later…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –