5. In which case more force is required , to accelerate a car or a truck to the same speed ? Why?
Answers
Explanation:
# Program to display the Fibonacci sequence up to n-th term
nterms = int(input("How many terms? "))
# first two terms
n1, n2 = 0, 1
count = 0
# check if the number of terms is valid
if nterms <= 0:
print("Please enter a positive integer")
# if there is only one term, return n1
elif nterms == 1:
print("Fibonacci sequence upto",nterms,":")
print(n1)
# generate fibonacci sequence
else:
print("Fibonacci sequence:")
while count < nterms:
print(n1)
nth = n1 + n2
# update values
n1 = n2
n2 = nth
count += 1"""Pacman, classic arcade game. Exercises 1. Change the board. 2. Change the number of ghosts. 3. Change where pacman starts. 4. Make the ghosts faster/slower. 5. Make the ghosts smarter. """ from random import choice from turtle import * from freegames import floor, vector state = {'score': 0} path = Turtle(visible=False) writer = Turtle(visible=False) aim = vector(5, 0) pacman = vector(-40, -80) ghosts = [ [vector(-180, 160), vector(5, 0)], [vector(-180, -160), vector(0, 5)], [vector(100, 160), vector(0, -5)], [vector(100, -160), vector(-5, 0)], ] # fmt: off tiles = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ] # fmt: on def square(x, y): "Draw square using path at (x, y)." path.up() path.goto(x, y) path.down() path.begin_fill() for count in range(4): path.forward(20) path.left(90) path.end_fill() def offset(point): "Return
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offset of point in tiles." x = (floor(point.x, 20) + 200) / 20 y = (180 - floor(point.y, 20)) / 20 index = int(x + y * 20) return index def valid(point): "Return True if point is valid in tiles." index = offset(point) if tiles[index] == 0: return False index = offset(point + 19) if tiles[index] == 0: return False return point.x % 20 == 0 or point.y % 20 == 0 def world(): "Draw world using path." bgcolor('black') path.color('blue') for index in range(len(tiles)): tile = tiles[index] if tile > 0: x = (index % 20) * 20 - 200 y = 180 - (index // 20) * 20 square(x, y) if tile == 1: path.up() path.goto(x + 10, y + 10) path.dot(2, 'white') def move(): "Move pacman and all ghosts." writer.undo() writer.write(state['score']) clear() if valid(pacman + aim): pacman.move(aim) index = offset(pacman) if tiles[index] == 1: tiles[index] = 2 state['score'] += 1 x = (index % 20) * 20 - 200 y = 180 - (index // 20) * 20 square(x, y) up() goto(pacman.x + 10, pacman.y + 10) dot(20, 'yellow') for point, course in ghosts: if valid(point + course): point.move(course) else: options = [ vector(5, 0), vector(-5, 0), vector(0, 5), vector(0, -5), ] plan = choice(options) course.x = plan.x course.y = plan.y up() goto(point.x + 10, point.y + 10) dot(20, 'red') update() for point, course in ghosts: if abs(pacman - point) < 20: return ontimer(move, 100) def change(x, y): "Change pacman aim if valid." if valid(pacman + vector(x, y)): aim.x = x aim.y = y setup(420, 420, 370, 0) hideturtle() tracer(False) writer.goto(160, 160) writer.color('white') writer.write(state['score']) listen() onkey(lambda: change(5, 0), 'Right') onkey(lambda: change(-5, 0), 'Left') onkey(lambda: change(0, 5), 'Up') onkey(lambda: change(0, -5), 'Down') world() move() done()
Answer:
don't know very sorry tried my best