An archer standing on a 15 degree slope shoots an arrow at an
angle of 23...
An archer standing on a 15 degree slope shoots an arrow at an
angle of 23 degrees above the horizontal. How far down the slope
does the arrow hit if it is shot with a speed of 44 m/s from a
height of 1.78 m above the ground?
An archer shoots an arrow at a 75 m distant target; the bull’s-eye of the target is at same height as the release height of the arrow. If d = 75 m and v = 37 m/s. At what angle must the arrow be released to hit the bull’s-eye if its initial speed is 37m/s?
An archer shoots an arrow at an angle 20◦ above the horizontal.
How far from the archer does the arrow hit the ground if it is shot
with a speed of 50 m/s from 1.75m above ground? Hint: Start with
setting up your xy coordinates system appropriately.
Extra Practice: An archer standing on a 15◦ slope shoots an
arrow 20◦ above the horizontal. How far down the slope does the
arrow hit if it is shot with a speed of...
A 60 kg archer, standing on frictionless ice, shoots a 120 g
arrow at a speed of 95 m/s. a) Does the bow exert a constant force
or a variable force on the arrow? b) Is this situation considered
an isolated system or a non-isolated system? What other forces
would you include in a free-body diagram? Would these other forces
contribute to the velocity of either the arrow or the archer? c)
What pair of forces exist that causes the...
A 0.5 kg ball is dropped from a window. An archer shoots a 0.05
kg arrow to intercept the ball. When the ball is impaled it is
traveling at -2 m/s in the y direction, and the arrow is traveling
at 35 m/s at an angle of 20 degrees. What is the velocity of the
pair after the collision in vector notation, magnitude, and
direction? What is the impulse of the arrow?
An archer is able to hit the bull's-eye 25% of the time. If she
shoots 15 arrows, what is the probability that she does not get at
least 4 bull's-eyes? Assume each shot is independent of the others.
Express your answer as a percentage rounded to the nearest
hundredth.
The intersection angle of a 5 degree curve is 23 degrees and the PC is located at
station 550+55.00. Determine the length of the curve, the station
of the PT, the deflection angles, and the chord lengths for setting
out the curve at whole stations from the PC.
An archer shoots arrows at a circular target where the central
portion of the target inside is called the bull. The archer hits
the bull with probability 1/32. Assume that the archer shoots 96
arrows at the target, and that all shoots are independent. What is
an approximated probability that an archer hit not more than one
bull?
An
archer can hit the bullseye on 30% of her shots. She shoots 5
arrows. Let the variable x represent the number of arrows that hit
the bullseye.
a) Using the formula (not the distributions on the TI84) find
the probability that X=3.
b) Write out the probability distribution for X and draw the
histogram.
c) Find the probability that X is less than 3.
d) Find the mean, variance, and standard of X.
You are standing on a slope of 20 degrees to the
horizontal and are going to throw a ball at vi=20 m/s up the
incline. If you throw the ball at an angle of 45 degrees with
respect to the horizontal at what distance up the incline from your
feet does it land? Assume the ball leaves your hand directly
overhead, h=2.0 m above the slope.
I know the horizontal velocity = 14.14 m/s and the
vertical velocity also =...
William Tell shoots an apple from his son's head. The speed of
the 118-g arrow just before it strikes the apple is 20 m/s, and at
the time of impact it is traveling horizontally. If the arrow
sticks in the apple and the arrow/apple combination strikes the
ground 7.7 m behind the son's feet, how massive was the apple?
Assume the son is 1.85 m tall.