Gaming educational platform to study school subjects

IQ Class helps schoolchildren and students from all over the world share knowledge and help each other learn. Ask your question to the community of experts or help others by sharing your knowledge.

illstr

New questions

New questions in the section

Physics +10 2021-09-09 15:50:01 Flying Circus of PhysicsA trebuchet was a hurling machine built to attack the walls of a castle under siege. A large stone could be hurled against a wall to break apart the wall. The machinewas not placed near the wall because then arrows could reach it f... Answer
Engineering +7 2021-09-09 15:44:02 OUESTİON 2: (30 points) tp() Write the equation of motion for the SDOF system by taking the displacement coordinate to be the vertical displacement Z(t) at B. The system is rigid bar having uniformly distributed mass m 4 m 丯k Two concentrated masses m 2ma... Answer
Engineering +9 2021-09-09 15:40:01 3.5 Determine the output y(t) for the following pairs of input signals x(t) and impulse responses h(t): 11) X (İİİ) x(1) = 11(1)-211(1-1) + 11(1-2), h(1) = 11(1 + 1)-11(t-1); Part lI Continuous-time signals and systems (iv) x(t) - e2"u(-t), h(t)-eu();... Answer
Mathematics +8 2021-09-09 15:40:01 please answer ALL correct with work for up rating 15(Cale) The rate of change of people waiting in line to buy tickets to a concert is given by w()-100(-41-1+7) for 0Sis4.800 people are already waiting in line when the box office opens at r-0. Which ... Answer
Other subjects +9 2021-09-09 15:39:01 Problem 8. [13 Points] Show that the strip Di = in the z-plane is mapped onto the region by the function(-e.. (a) D,-C-1 1,0 < Arg(Ç) < π } in the-plane (b) Find the image of the region D, under the mapping w= (c) What is the image of the region D u... Answer
Physics +13 2021-09-09 15:35:01 3. Tremaine et al. (2002) have shown that supermassive black holes in the nuclei of galaxies follow a relation between black hole mass, MB, and the velocity dispersion of the host galaxy bulge component, σ, such that log,o MBH8.0+40logo 200km/ The gravita... Answer
Engineering +20 2021-09-09 15:30:02 800 Chapter 12 Analog Integrated Circu 12.8 The circuit of Fig. P12.8 illustrates a simple BJT op-amp that resembles the input stage of the LM741. It consists of a differential input stage cascaded with a class A voltage-follower output stage formed by Qs... Answer
Mathematics +16 2021-09-09 15:28:01 *Note: Please answer all parts, and explain all workings. Thank you! 3. Consider the follo 2 lu The boundary conditions are: u(0,y, t) - u(x, 0,t) - 0, ou (a, y, t) = (x, b, t) = 0 ay The initial conditions are: at t-0,11-4 (x,y)--Yo(x,y) . ot a) Assume u... Answer
Mathematics +5 2021-09-09 15:17:01 11. Let Z = (X1,X2, X3)T be a portfolio of three assets. E(X) 0.50. E(X2-1.5. E(X3) = 2.5, VAR(X)-2, VAR(X2)-3, Var(Xs)-5·PX1.x2-0.6 and X1 and X2 are idependent of X3 (a) Find E(0.3xi +0.3X2 +0.4X3) and Var(0.3X1 +0.3X2 +0.4Xs) (b) Find P[0.3X1 +0.3x2 + ... Answer
Mathematics +18 2021-09-09 15:17:01 1. Find and interpret the coefficient of determination, r squared r2. Select the correct choice below and fill in the answer box within your choice. 2. Find and interpret the coefficient of determination, r squared r2. Select the correct choice below an... Answer

IQ Class for teachers

We give teachers all the tools they need to make learning as effective as possible for each student

Integrated Curriculum

More than 8,000 student assignments in 5 school subjects
Individual recommendations

Keep track of each student’s weaknesses and gaps in their knowledge to really help them learn.
Determining the student’s level of knowledge

The teacher checks the new students’ knowledge of their subject
Performance analytics online

The teacher has a data sheet for each student, which allows you to assess the level of each class in the individual subjects.

Made with love

Create an account

IQClass unlocks the learning potential of every child

Master useful skills
Improve learning outcomes
Share your knowledge

Create an account