Question
A projectile, fired with unknown initial velocity, lands 20.0 s later on the side of a...
A projectile, fired with unknown initial velocity, lands 20.0 s later on the side of a hill, 3.0 km away and 450 m vertically above the starting point. What is the magnitude of the initial velocity?
Homework Answers
Answer #2
answered by: anonymous
Not the answer you're looking for?
Similar Questions
A projectile, fired with unknown initial velocity, lands 20.0 s later on the side of a...
A projectile, fired with unknown initial velocity, lands 20.0 s
later on the side of a hill, 3.0 km away and 450 m vertically above
the starting point. What is the magnitude of the initial
velocity?
A projectile is fired with an initial velocity of 75.0 m/s at an angle of 33.0...
A projectile is fired with an initial velocity of 75.0 m/s at an
angle of 33.0 degrees above the horizontal. It lands on a hillside
50m above the level from which it was fired. Determine 1) the time
of flight of the projectile. 2) the maximum height to which it
rises. 3) the horizontal distance from launching to landing
points.
1a. You launch a projectile at an initial speed of 43.8 m/s from the ground. After...
1a. You launch a projectile at an initial speed of 43.8 m/s from
the ground. After 4.30 seconds of flight, the projectile lands on
the ground. At what angle above the horizontal was the projectile
launched?
b. A projectile is fired from the ground, reaches a maximum
height of 28.4 m and lands a distance of 69.3 m away from the
launch point. What was the projectile s launch velocity?
c. You launch a projectile toward a tall building, from...
make sure 100% A projectile is fired from an elevation of 10 meters and lands a...
make sure 100%
A projectile is fired from an elevation of 10 meters and lands a
non-zero horizontal distance away at an elevation that is also 10
meters. The projectile has an initial velocity magnitude of 12 m/s.
What two launch angles will yield a horizontal distance of 10.2
meters?
22° and 44°
22° and 68°
44° and 68°
44° and 88°
34° and 68°
44° and 46°
The projectile has an initial velocity of 30 m/s at an angle of 53° above the...
The projectile has an initial velocity of 30 m/s at an angle
of 53° above the horizon. Calculate
a. The horizontal distance from the starting point three
seconds after it is fired.
b. The vertical distance above the starting point at the same
time.
c. The horizontal and vertical components of its velocity at
this time.
A projectile is launched with an initial speed of 40.0 m/s at an angle of 35.0°...
A projectile is launched with an initial speed of 40.0 m/s at an
angle of 35.0° above the horizontal. The projectile lands on a
hillside 3.85 s later. Neglect air friction. (Assume that the
+x-axis is to the right and the +y-axis is up along the page.) (a)
What is the projectile's velocity at the highest point of its
trajectory? magnitude m/s direction ° counterclockwise from the
+x-axis (b) What is the straight-line distance from where the
projectile was launched...
Motion of the CM, 2D:a)Review question: Projectile 1 is fired upward with initial speed 240 m/s,...
Motion of the CM, 2D:a)Review question: Projectile 1 is fired
upward with initial speed 240 m/s, at an angle of 60° above the
horizontal. It lands later on the horizontal ground a distance x
away. Find x. Show your setup and work. b)An identical projectile 2
is fired with the same initial speed and angle. However at the
highest point of its path, it explodes into two pieces, 2A and 2B,
each with half the original mass. The explosion forces...
An artillery shell is fired with an initial velocity of 300 m/s at 59.0° above the...
An artillery shell is fired with an initial velocity of 300 m/s
at 59.0° above the horizontal. To clear an avalanche, it explodes
on a mountainside 41.0 s after firing. (a) What are the x
and y components of the shell where it explodes, relative
to its firing point? (b) What is the velocity of the shell
(magnitude and direction) just before explosion? (c) What was the
maximum height reached by the projectile? (d) How long did it take
for...
A projectile has an initial velocity of 45 m/s at an angle of 53o with respect...
A projectile has an initial velocity of 45 m/s at an angle of
53o with respect to the horizontal and begins at ground
level.
a. What are the x and y components of the projectile’s initial
velocity?
b. What is the maximum height of the projectile?
c. How far away from where it begins does the object strike the
ground?
d. What is the magnitude and direction of the projectile’s velocity
at t= 3 s?
e. What is the displacement...
Two seconds after a projectile is fired from a gun, located on the ground, it has...
Two seconds after a projectile is fired from a gun, located on
the ground, it has a velocity equal to: v = 30i +20.4j, m/s
1.) Determine the initial speed of the projectile
2.) At what angle is the projectile fired?
3.) How long does it take the projectile to reach the highest
point in its trajectory?
4.) What is the speed of the projectile at it's highest point in
its trajectory?
5.) What is the magnitude of the projectile's...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 11 minutes ago
asked 13 minutes ago
asked 18 minutes ago
asked 22 minutes ago
asked 31 minutes ago
asked 37 minutes ago
asked 42 minutes ago
asked 43 minutes ago
asked 50 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago