Physics, 31.12.2019 04:31 oneicyahdaley10
Awave pulse travels along a string at a speed of 160cm/s . note that parts a - d are independent and refer to changes made to the original string.
a)what will be the speed if the string's tension is doubled?
b)what will be the speed if the string's mass is quadrupled (but its length is unchanged)?
c)what will be the speed if the string's length is quadrupled (but its mass is unchanged)?
d)what will be the speed if the string's mass and length are both quadrupled?
Answers: 1
Physics, 22.06.2019 08:30, bazsinghnagoke
An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?
Answers: 1
Physics, 22.06.2019 11:50, azertyqwerty123
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 15:40, caveman171
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Physics, 22.06.2019 16:30, mikayla62
Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)
Answers: 1
Awave pulse travels along a string at a speed of 160cm/s . note that parts a - d are independent and...
History, 13.10.2020 19:01
Geography, 13.10.2020 19:01
English, 13.10.2020 19:01
History, 13.10.2020 19:01
Mathematics, 13.10.2020 19:01