Homework Statement
A mass of 50.0 g mass is hung from a spring, spring is elongated to 40 cm, an additional mass of 20g is added, with a new reading of 45cm
a) what is the spring constant for this spring?
b) another mass of 30g is added to the spring, what is the new reading?
Homework...
Homework Statement
find time to reach max height
max height is 0.870m
mass of diver is 70kg
makes an angle when diving of 85 degrees
Homework Equations
Vf=Vi + gt
The Attempt at a Solution
Vi=0
Vf=gt
t=vf/g
= 0.870/9.8
not sure if this the right approach
Homework Statement
block is placed on a ramp at an angle of 39.4 and height of the ramp is 1.610m and the mass of the block is 8.54kg
if coefficient of kinetic friction is 0.111 and the coefficient of static friction is 0.173 what is the speed of the block at the bottom of the ramp. if it...
Homework Statement
A measuring cylinder collects 475 mL of this
water in a minute. At the top the diameter of the stream is 0.700 cm.
Homework Equations
What is the velocity of the stream 20.0 cm below the top?
The Attempt at a Solution
im not sure which formula to use?
i was...