What are units of α ?
a. kg m s-2
b. N m
c. s-1
d. s2
e. m s-1
f. m s2
g. s-2
alpha is angular acceleration
its unit is radian/second2
so the dimensions are
g. s-2
A kg/m B m/s2 C kg*m/s D kg*m2/s2- Joule E kg*m/s2 F kg/s2 G m/(kg*s) H m*s I kg*s What do each of these units correspond to? (for example, kgm^2/s^2) is equal to energy, which is a joule.)
What are the units of theta? a. s^2 b. kg m s^-2 c.m s^2 d. m s^-2 e. Nm f. s^-1 g. s^-2 h. m s^-1
The units of energy can be expressed as: a. Kg m2/s2 b. Joules c. N-m d. All of the above e. None of the above
Givens F (N) m(k)Vx (m/s) x(m) 36 12 0. Scenario1 Scenario 2 A. What is a,? S1 S2. What is r,, when t-3 s? S1. S2. B. C. What is v whent 3s? S1 S2. D. What ist when r 6 m? S1. S2. Givens T (N) m (kg)Viy (m/s) y(m) 78 20 Scenario 1 Scenario2 A. What is the weight of the object? S1. S2. What is ay? S1 S2. B. C. What is ri, when t-1 s? SI...
1. Givens s m (kg) F(N) 0.74 10.00 100 A. What is the magnitude of the force necessary to cause the impending motion of object? B. When F is exerted on the object, it causes an acceleration of 4.414 m/s2, what is / ? C. What is ufr when t-5s? D. If F is removed after t 5 s, how far will the object travel after this point?
Givens T (N) m (kg) Viy (m/s) ry (m) 78 20 Scenario 1 Scenario 2 Trn A. What is the weight of the object? S1. S2. B. What is ay? S1. S2 C. what is rfv when t = 4 s? S1. S2 woll D. What is vjy when t 4 s? S1 S2.
Determine the upper-tail critical value tα/2 in each of the following circumstances.a.1−α=0.95, n=56d.1−α=0.95, n=64b.1−α=0.90, n=56e.1−α=0.99, n=22c.1−α=0.95, n=38
A 16 N m torque is applied to a wheel of mass 1 kg and radius of gyration of 2 m. What is the resulting angular acceleration? a) 3 rad/s2 b) 4 rad/s2 c) 6 rad/s2 d) 10 rad/s2 e) none of the above
Help 2) The electric field E 5000 N/C , charge q-2 C ' mass m :5 grams. Calc. qE, then apply the acceleration of this charge. Hint: calc. force F newton's 2nd law. A) 1 m/s2 B) 2 m/s2 C) 3 m/s2 D) 4 m/s2 3) The electric field is E 10,000 N/Ci, displacement d - 5 cm at 60 (angle relative to positive x axis), charge q charge in microJoules (106 J) A) 1.25 B) 2.5 C) 3.75 D)...
Problem 1 :The 3-kg of a can travel the smooth path AB without friction, and the angular position rad and r 2bcos0 m. Answer the following questions at t 1.5 s, and b-0.6 m. 9.81 m/s2. Use g iig C' 1.1 What is the magnitude of acceleration in radial direction (in m/s2)? (B) 0.47 A) 0.15 (D) 0.99 (C) 0.71 (F) 2.10 E 1.4 1.2 What is the magnitude of acceleration in the transverse direction (in m/s?)? D) 0.42 B...