Normal curve approximation
A pair of dice is rolled 270 times. using the normal curve approximation, what is the probability that a total of 7 occurs?
A. at least 52 times?
B. between 41 and 63 time inclusive?
C. exactly 36 times?
Expected delivery within 24 Hours
The inside temperature of the firebrick layer was measured at 600 C and the temperature of the outside of the insulation at 60C. What is the temperature drop across the steel layer?
When a 45 N force is applied tangentially to the disk, perpendicular to the radius, the disk acquires an angular acceleratrion of 80 rad/s^2. What is the mass of the disk?
A long bar of rectangular cross section, 0.4 m x 0.6 m on a side and having a thermal conductivity of 1.5 W/m x K, is subjected to the boundary conditions shown below. Two of the sides are maintained at a uniform temperature of 200 C.
Determine the pressure in bars and the enthalpy, in kJ/kg, at state 2. Determine the temperature, in degrees Celsius, and the enthalpy at state 3.
A centrifuge is used to remove solids from a 14.0 ppg mud using 8.33 ppg water. The mud and water enter the centrifuge at 40 gpm and 20 gpm, respectively. The underflow and overflow densities are 23.0 ppg and 10.0 ppg, respectively.
If the motorcycle travels over the crest at half speed found in Part A, find the ratio between the apparent weight of the motorcycle and its rider and their true weight.
An evacuated 150 L tank is connected to a line flowing air at room temperature, 25 degrees C, and 8 MPa pressure. The valve is opened, allowing air to flow into the tank until the pressure inside is 6 MPa. At this point the valve is closed.
A 100 W lightbulb generates 94 W of heat, which is dissipated through a glass bulb that has a radius of 2.8 cm and is 0.9 mm thick. What is the difference in temperature between the inner and outer surfaces of the glass?
1929308
Questions Asked
3,689
Active Tutors
1412195
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain what all hazards means. Assess how all hazards and terrorism relate or do not relate when viewed from an overall homeland security
In the context of a political and economic revolution that has been taking place in Latin America, state ownership has
U.S. military forces are authorized under certain conditions to provide assistance to U.S. civil authorities for disasters, catastrophes, infrastructure protect
Topic: "Building a Lasting Government for the United states of America". 1. America's first government and its weaknesses.
What is a specific example of a vertical relationship between the federal, a state, and a local government?
Question: Which of the following is not one of the ways that political parties are said to be bad for democracy?
What explains the political and racial makeup of the 31st Congressional District?