Answer:
Speed of child = 8.94 m/s
Explanation:
Given:
Mass of child = 25 kg
Height = 4 meter
Find:
Speed of child
Computation:
P.E = mgh
P.E = (25)(10)(4)
P.E = 1000 J
K.E = P.E
So,
(1/2)(m)(v)² = 1000
(1/2)(25)(v)² = 1000
(v)² = 80
v = 8.94 m/s
Speed of child = 8.94 m/s
Answer:
htcrcrctcuf the g didn't rn TV felt egg it send at oh egg it to usb
No it is not broadcast on stations overseas but on overseas military base stations it can sometimes be found.
Answer:
Required code is given below:
Explanation:
def add_to_dict(dictt, key,value):
if key in dictt.keys():
print("Error. Key already exists.")
else:
dictt[key]=value
return dictt
def remove_from_dict(dictt,key):
try:
dictt[key]
dictt.pop(key, None)
return dictt
except KeyError:
print("No such key exists in the dictionary.")
def find_key(dictt,key):
try:
value=dictt[key]
print("Value: ", value)
except KeyError:
print("Key not found.")
I just need points because I’m failing thank you !!