1. Two masses are attracted by gravitational force of 0.24 N. What will the force of attraction be if the distance btwn the two masses is halved. Can you show me how to solve ?

Q: 1)A missile protection system consists of n radar sets operating independently, each with probabilit...

A:

Q: Q2/ An object of mass 15 kg is moving with a uniform velocity of 4 ms. What is the kinetic energy po...

A:

Q: A 75-m-long train begins uniform acceleration from rest. The front of the train has a speed of 18m/s...

A:

Q: What is the direction of the static frictional force f on the crate from the wall? Horizontal, towar...

A: The answer is below

Q: If the amount of force that the wheels apply to the road during the acceleration is 7000 N, what mu...

A:

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 153 m/s to the east. I...

A: Use the formula of average acceleration to solve for average acceleration.  As final speed is 0 m/s ...

Q: Relationship of Mass and Acceleration of the Dynamics Cart Mass of cart = 5 kg Distance Travelled = ...

A:

Q: How do cohesive force and adhesive force explain the absorption of water by a tissue or paper? For h...

A:

Q: A 191.5-kg astronaut and equipment move with a velocity of 2.03 m/s toward an orbiting spacecraft. H...

A: Newton's second law equation is, F=ma Here, F is the force, m is the mass, and a is acceleration.   ...

Q: The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. ...

A:

Q: 2. A force system is shown below. a. Determine the magnitude of the resultant of the given forces. b...

A: a) Calculate the resultant force along the horizontal direction. Calculate the resultant force alon...

Q: Location A is 2.40 m to the right of a point charge q. Location B lies on the same line and is 3.90 ...

A:

Q: A man has a weight of 780N when on Earth's surface. What is his weight (gravitational force due to E...

A:

Q: 3. A battery is used to supply current to a resistor. Assume the voltage drop across any wires used ...

A:

Q: In a relief operation mission involving a helicopter h distance above the ground traveling with a ho...

A: We know that in a relief operation mission involving a helicopter h distance above the ground travel...

Q: If the total energy of the pendulum at the end is less than its initial energy, does it mean the law...

A: The pendulum stops oscillation after some time due to the air resistance that resists the motion of ...

Q: CR= I meter. Calculau the electrie fie at the center d a chare with G= 10C Tonm -10 ring with G10°c

A: GivenQ=10-10 CRadius of ring ,R=1 m

Q: a lpt No friction Thoe): *Find tersion Drow B FBB Seperokly for ond * Find accelerate, Apt uk-0.2 Th...

A:

Q: Q4) A static object at an altitude of 30 m from the surface of the ground has a potential energy of ...

A: Given,  h = 30 m  PE = 1470 J  PE = mgh  = TE (because at h = 30 m the KE is 0J)  1470 = mg x 30  mg...

Q: te starship in the distant future is being chased by the space police. The pirates are traveling at ...

A: We know that we have given that the velocity of the police is 1431 km/h  and  The pirates are travel...

Q: R. of b, At time t = 0 s, a switch S is thrown from position a to b. The battery voltage Vo is 12.0 ...

A:

Q: What is the voltage of the battery if the capacitance is 2.0x10^(-6) F and the charge is 3.0x10^(-5)...

A:

Q: A tow rope pulls a skier of mass 75-kg up a 30o slope at an acceleration of 2m/s2. Determine the ten...

A: Using acceleration due to gravity magnitude as 10.

Q: What is Sandra's average velocity if her position changes from 25 west to 40m west during a 10s time...

A: Given: The initial position of the object is 25 m west. The final position of the object is 40 m wes...

Q: Your brother slides his glass of milk horizontally at a speed of 0.8 m at a frictionless table which...

A: Apply the second kinematic equation in the vertical motion and substitute the required values.

Q: A BRAKING PROBLEM In coming to a stop, a car leaves a skid mark 92.0m long on a highway. Assuming a ...

A:

Q: Across what potential difference must an electron, initially at rest, move to attain a speed of 1.0 ...

A:

Q: What it is called the study of the geometry of motion?

A: The study of geometry of motion is called  Kinematics .   

Q: At which points are the equipotential lines the closest together? At which points are they the farth...

A: Given   At which points are the equipotential lines the closest together? At which points are they t...

Q: A rock is thrown (at an unknown angle) with a speed of 15.5 m/s from the top of a 32.9 m high cliff....

A:

Q: Show below how to find the resultant of forces F, and F, using sine and cosine laws given in equatio...

A:

Q: the positive 6. Find the angle that the tesultant of two forces: A= 150N, acting 60 degrees to left ...

A: As requested by you,  i am providing solution of question 6.

Q: Wat is the distance the motorcycle covered in its 300-second travel if the speed upon recording is 2...

A:

Q: From the edge of a cliff, a 0.66 kg projectile is launched with an initial kinetic energy of 1640 J....

A: Consider the given data as below. Initial kinetic energy, KE=1640 J Upward displacement, h=+170 m Ac...

Q: A block travels up a 25 degree inclined plane with an initial speed of 14 m/s. (a) What is the  acce...

A: Given data: Angle, θ=25° Initial speed, u = 14 m/s   Solution: (a) What is the acceleration of the b...

Q: You launch a projectile at an initial speed of 63.5 m/s from the ground. After 8.40 seconds of fligh...

A: Given data:  Initial velocity (u) = 63.5 m/s Flight time (T) = 8.40 s Required: Angle (θ) with the h...

Q: What is the tension in the two ropes in the picture shown below?

A: The tension of the first rope T1=509.223 Newton. and the tension of the second rope T2=294 Newton.

Q: 3000J of heat is added to a system and 2500J of work is done by the system. What is the change in en...

A:

Q: A student throws a ball from Sandalwoods roof, 28 m above the ground. She horizontally projects a ba...

A:

Q: A system has initial internal energy of 30 J. An energy of 36 J is added to the system by heat while...

A: The laws of thermodynamics 1 state that: energy can be changed but cannot be destroyed or created  E...

Q: If you increase your push, what happens to FN?

A: We know that about the normal force and the static friction force.  When an object sitting on a plan...

Q: Write the following as full (decimal) numbers without prefixes on the units: (a) 286.6 mm (b) 85uV (...

A: SI prefixes helpful for to form decimal multiples and submultiples of SI units. For example: 0.001 K...

Q: Transformers can be used to do what? (Select all correct answers.) step up the power in a circuit st...

A: when electrical energy is transfered transformer are used to change the voltage of of the electical ...

Q: X-rays of wavelength 0.200 000 nm are scattered from a block of material. The scattered x-rays are o...

A: Given, X-rays of wavelength, λ = 0.200 nm scattering angle, θ = 45.0°

Q: 3. It is important to avoid sharp edges or points on conductors used in high-voltage equipment becau...

A:

Q: Let B = 4x?e-Yax - 8xe-Yay. Determine V x [V(V.B)].

A: B⇀=4x2e-yax-8xe-yay now , ∇·B=dBxdx+dBYdYdBZdZ⇒∇·B=d4x2e-ydX+d-8xe-ydy⇒∇·B=8xe-y+8xe-y⇒∇·B=16xe-y

Q: 10cm J cm Example Q1=50µC Q2=75µC 10cm 10cm • Solve the magnitude and direction of the electric Q3=3...

A: The three charges are placed at the vertices of an equilateral triangle of side length a=10 cm. Let ...

Q: A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.4 s later. If ...

A: Total time given is sum of time taken by the rock to fall on the ocean and time taken by the sound t...

Q: A large cannon is fired from ground level over level ground at an angle of 30 degrees above the hori...

A:

Q: Two capacitors of capacitance C1 = 100 nF and C2 = 5 μF are connected in series across a cell with e...

A: The capacitance of the two capacitors: C1 = 100 nF (100 x 10-9 F) and C2 = 5 μF (5 x 10-6 F) The cap...

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!