24d

A ball attached to a string is whirled in a circle. If the string breaks, what causes the ball to move in a straight line?a. inertiab. centripetal forcec. centripetal accelerationd. centrifugal... more

12/16/21

The block in the figure below remains motionless against the wall because of an applied force

The block in the figure below remains motionless against the wall because of an applied force and the force of static friction between the block and the wall. The coefficient of static friction is... more

11/19/21

Algebra question

The perimeter of a rectangle is 194. The length is 25 more than 5 times the width. Find the dimensions.

10/11/21

true or false .

10/11/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy. What were the... more

10/08/21

HELP TRANSLATED GRAPH EXPRESSION

The function h is defined as follows h(x)=-4x^2+7. If the graph of h is translated vertically downward by 6 units, it becomes the graphs of a function g. Find the expression for g(x).

10/07/21

How do I get signed up for my lesson tonight? I messaged with a tutor

10/07/21

Life in the universe.

Determine the densities of the following exoplanets and classify them.Epsilon 3Mass: 15.01 MERadius: 4.36 REDensity: ................. g/cm3Classification: rocky/Terrestrial or gas giant or ice... more

07/28/20

how much money would you have spent?

It was reported that Ross Perot spent approximately $40 million of his own money in the 1992 presidential campaign. His total worth was reported to be approximately$4 billion. If your total worth... more

07/22/20

04/28/20

Help with this long response physics problem

Students conduct an experiment to study the motion of two toy rockets. In the first experiment, rocket  X of mass  mR is launched vertically upward with an initial speed  v0 at time t=0. The rocket... more

04/28/20

Products and reactant

Balance the product and reactants___Cu+___AgNO3>___Ag+___CuN2O6

03/22/20

Calculate average force of the mud in stopping the person

A 58.5kg person falls 8.9m from a storage building and lands straight- legged in some mud. The person stops after sinking 0.4m into the mud. Calculate the average force of the mud in stopping the... more

03/20/20

Physics Velocity Question

A 1,500 kg car travelling at a velocity of 10m/s hits into a 2,250 kg truck that is at rest. Assume the bumpers lock together so that the collision is completely inelastic and that momentum is... more

03/05/20

The populations P (in thousands) of a particular county from 1971 through 2014 can be modeled by P = 79.9e0.0317t. Where t represents the year, with t = 1 corresponding to 1971.

a) Use the model to complete the table. (Round your answers to the nearest whole number.) Year Population 1980 1990 2000 2010 (b) According to the model, when... more

03/05/20

Fundamental Theorem of Algebra

I need help with these very complex algebra 2 problems. Thank you.f(x)= x4+21x2 -100

03/05/20

Photoelectric Effect

The experimental arrangement is used to determine the work function of the emitter plate metal. When voltage is increased to a certain value the two plates are reduced to zero.1)Explain why... more

03/05/20

Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a parallelogram?

Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a parallelogram?E(0, 4), F(0, 7), G(1, 5), H(1, 2) Sammy can use the distance formula to... more

01/26/20

physics question

Bill kicks a rock off the top of his apartment building. It strikes a window across the street 14 m away. The acceleration of gravity is 9.8 m/s 2 . If the window is 18 m below the position where... more

12/16/19

An object begins moving at x= 0 from rest in the positive x direction with constant acceleration. It travels D meters in T seconds. Its final speed is V meters per second.

What is the position x of the object at time t= 12 T? Express your answer in terms of D.(The answer is D/4 I just don't know how to get there)

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