A 2 kg watermelon is dropped from rest from a 6 m tall roof. a) Draw a sketch of the scenario.  b) How fast will the watermelon be moving as it strikes the ground below? c)  Determine how long it took the watermelon to strike the ground.  Round your answer to the nearest tenth. d) What was the watermelon's PE(J), before being dropped? e) What was the watermelon's KE(J) when it struck the ground and f) What was the Total Energy-TE(J)?

Q: You throw a 0.53-kg baseball with a speed of 12 m/s during a time interval of 4.0 ms.  What is the…

A: Given  mass(m) = 0.53kg speed (v) = 12m/s time(t) = 4ms = 4×10-3 sec   (∵1ms = 10-3 sec)

Q: The leg and cast in the figure below weigh 315 N (w1). Determine the weight w2 and the angle a…

A:

Q: QUESTION 1 1. What are the similarities and differences between the properties of solids, liquids…

A: Only first part is answerable.Do post the remaining seperately. Given: Solids, liquids and gases.

Q: Calculate the charge density σ of a charged conductor with an external electric field equal to 3…

A: Given Surface charge density = σ  Electric field strength = 3 N/C We have to calculate the value of…

Q: = 0.01173 8. What is the power dissipation through the following resistors: R₁, R₁, and R₁3. See the…

A:

Q: What is Newton's 2nd law and describe briefly how the varying amounts of force and mass affects the…

A: Second law of Thermodynamics  The acceleration of the body is directly proportional to the net force…

Q: The electric potential in a region of space is given by: V(x, y, z)=(2.5 V/m²) xy² + (1.5 V/m²) z¹/2…

A:

Q: final velocity of the first body.

A: Given: Mass of first block is m1=15 kg Initial velocity of first block is u1=16 m/s Mass of second…

Q: 1. A crowbar lifts a weight in Fig. 10-21 below. A downward force on the long end of the crowbar,…

A: Moment of force (Torque): The moment of a force or Torque (ζ in N.m) about a point is a measure of…

Q: Two charges attract each other with a force of 2.1 N. What will be the force if the distance between…

A: Given force between two charges at a particular distance (ro)=F(ro)=2.1 N Required force between…

Q: A physics student will launch a ball at 23 m/s at an angle of 55° above the horizontal in order to…

A:

Q: What is the potential energy of a +6 nC charge located 50 mm away from a +80 μC charge? What is…

A:

Q: A rectangular loop of wire with sides 0.214 and 0.594 m lies in a plane perpendicular to a constant…

A:

Q: Determine the weight in newtons of a car which has a mass of 1956 kg. Convert the given mass of the…

A: Answer the following question is

Q: A block of ice slides down a frictionless ramp at angle 50° while an ice worker pulls on the block…

A:

Q: An object of mass m₁ = 4.00 kg is tied to an object of mass m₂ = 2.70 kg with String 1 of length =…

A:

Q: L. Determine the electric field intensity at the midpoint of a 70-mm line joining a -60 μC charge…

A:

Q: A truck was driving on a highway at 30 m/s when its brakes gave out. The driver steered it onto a…

A: Solution: Part 1 Part 1: How fast is the truck moving when it first hits the collapsible barrier?…

Q: A 16.0-m uniform ladder weighing 510 N rests against a frictionless wall. The ladder makes a 57.0°…

A: State of equilibrium condition: Net force and torque are zero about any point due to combination of…

Q: A block of wood floats in fresh water with 0.834 of its volume V submerged and in oil with 0.899 V…

A:

Q: tension in the rope

A: Given: Weight of object is W=325 N Coefficient of kinetic friction is μk=0.270 Angle made by tension…

Q: If a wave y(x, t) = (6.0 mm) sin(kx + (600 rad / s)t +) travels along a string, how much time does…

A: y(x,t) = (6 mm) sin [kx + 600 rad/s t + ϕ] y1 = +2 mm ; y2 = -2 mm

Q: A standing wave of fourth harmonic is generated along a string of 1.0 m long.  The mass of the…

A: (a) The wave speed can be calculated using the formula: v = √(T/μ) where T is the tension in the…

Q: PROBLEM 2 Air flows vertically upwards in the pipe at a pressure p = 120 kPa absolute and…

A: Answer the following question is

Q: you are at the zoo, watching a 3 kg spider monkey hang off a vine by his tail. The vine is hanging…

A: The mass of the monkey, M=3 kg The acceleration of the monkey, a=0.8 m/s2

Q: Two capacitors are connected in series and a source voltage of 75 Volts is applied across the entire…

A: When capacitors are connected in series, the charge across each capacitor is not the same. The…

Q: What is the acceleration of an objectbof 30 kg subjected to the force of 80 N

A:

Q: . Magnification - Compound Microscope simple compound microscope with an overall magnification of…

A: The overall magnification of a compound microscope is given by the product of the magnification of…

Q: A negative charge and a dipole are placed as shown in he figure. If the electric field at location A…

A:

Q: For the given vectors V₁ and V₂, determine V₁ + V₂, V₁ + V2, V₁ - V2, V₁X V₂, V₂ x V₁, and V₁ V₂.…

A:

Q: State newton’s 1st law and describe briefly how the Law of Inertia applies to the rider of swing…

A: Newton first law describes the laws of inertia. Laws of inertia is of 3 types-(1) Inertia of rest(2)…

Q: The figure shows electrons 1 and 2 on an x axis and charged ions 3 and 4 of identical charge -q and…

A: Coulomb's Law: It states that force of attraction or repulsion between two point charges is directly…

Q: (Figure 1) shows a mass spectrometer, an analytical instrument used to identify the various…

A: Using energy conservation in between accelerating plate KEi+PEi=KEf+PEfKEi=0, since molecules starts…

Q: The direction of the acceleration of a moving object is always

A: The direction of acceleration of moving object is always in the same direction as the change in…

Q: Explain in WORDS how you would teach someone to determine if their dimensional analysis answer make…

A: Dimensional analysis is a powerful tool used to check the accuracy of mathematical equations and…

Q: 3. A 15 cm tall object sits 80 cm to the left of a converging lens with a focal length of f₁ = 30…

A:

Q: Three point charges, q1 = 5.0 nC, q2 = 8.0 nC and q3 = -6.0 nC are placed on the x-axis as shown.…

A:

Q: 3. Determine the magnitude and direction of the net electrostatic force on charge I if the two…

A: Given data:  Two charges q1 = -2 nC = -2×10-9 C q2 = -1.5 nC = -1.5×10-9 C Distance (r) = 1.3 m…

Q: 14. An object hangs from a spring balance. The balance indicates 30N in air and 20N when the object…

A:

Q: The temperature of low pressure hydrogen is reduced from 100°C to 20°C. The rms speed of its…

A:

Q: A projectile is fired horizontally into a resisting medium with a velocity vo 2.6 m/s and the…

A: Given, The initial velocity of the projectile, v0=2.6 m/s The deacceleration of the projectile,…

Q: Two astronauts (figure), each having a mass of 70.0 kg, are connected by a d = 11.0-m rope of…

A:

Q: If the electric potential at a single point is known, can E at that point be determined? If so, how?…

A: Yes, if the electric potential at a single point is known, the electric field at that point can be…

Q: 7. An airplane flying at 100 m/s dropped a box at an elevation of 200 m. (g = + 9.8 m/s^2). Consider…

A:

Q: At 2:00pm, a truck is travelling West at 80km/h. At this time the truck is 200 km East of a car…

A: Concept of speed and condition of minima: Speed (V in m/s) of an object is defined as ratio of…

Q: A package falls off a truck that is moving at 30 m/s on a straight horizontal road. Neglecting…

A: Given  Truck is moving at 30 m/s. Friction and air  resistance is negligible.  There is no any…

Q: What CANOT be explained by ray optics? the resolution of telescope. image reversal in a mirror.…

A: Ray optics: Ray optics, also known as geometrical optics, is a branch of optics that studies the…

Q: Why does the computer fan create such a piercingly loud noise even when it has only been used once…

A: There can be multiple reasons for the given case, that is, it has been used only once (hence, fan…

Q: What is the magnitude of the acceleration of the electron when acted on by the force in part A and…

A:

Q: A18.0-g block is placed against the free end of a spring (with spring constant k equal to 32.0 N/m)…

A: mass of block (m) = 18 g m = 0.018 kg spring constant (k) = 32 Nmcompression of spring (d) = 12 cm d…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.