A car is moving on a straight road 18 m/s. It is acceleration at 20 m/s². What will be it's velocity after 4 s?

Q: A woman climbs a ladder against the side of the building and wants to climb 3/4 of the way to the…

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A: Solution: Step1 - Here we will understand the concept that will be used to solve the question. As we…

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A: Answer:-  Force is directly proportional to energy velocity and time  F = k EaVb tc  ------ (1)  We…

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A: The mass of the box is m=10.4 kg The force with which a person is pulling the box to the left is…

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A: TH = 373 K  TC = 273 K

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Q: For # 31-32, refer to this situation: Suppose you conducted an experiment on an ohmic material. When…

A: case 1: potential difference = 1 V current = 4 A

Q: Question 1: A helicopter flies with an airspeed of 42.5 m/s [W]. If the wind is traveling with a…

A:

Q: 3 Find the Total current flowing through D1 and D2 and D3. Vs= 10v, R1=R2=R3=10k2The three diodes…

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Q: 4. As shown in class prove how starting from the assumption of a constant force acting on a…

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Q: An aluminum rod 17.400 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has a…

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Q: 1/3 SS For the given vectors V₁ and V₂ of Prob. 1/2, de- termine the magnitude of the vector…

A: Solution:-

Q: You have a different rock with a volume of 30cm³ and a mass of 60g. What is its density?

A: Introduction :   In this question we are provided with value of mass and volume . with these data we…

Q: An antelope is 20.0 m from a converging lens with a focal length of 30.0 cm. The lens forms an image…

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Q: A nylon rope used by mountaineers elongates 1.10 m under the weight of a 65.0-kg climber. If the…

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Q: A bike rider accelerates uniformly at 2.0 m/s2 for 10.0 s. If the rider starts from rest, calculate…

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Q: Q4: Answer the following Q.4: Two small metallic spheres, each of mass m = 0.200 g, are suspended as…

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Q: As of 2021, the world's fastest train the world is Japan's LO Series Maglev. It can reach a whopping…

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Q: If a pulley setup has five supporting ropes, what would be the MA of the setup?

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Q: Suppose you are a roller coaster ride designer and you begin a new design with safety in mind.…

A: Total energy will be conserved at all points, since there is no loss due to friction free path and…

Q: 6. A toy spring launcher is used to launch a 10.5 g object into the air. The spring of the launcher…

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Q: Junyoung and Enkhtur are experimenting with an ideal gas. in their experiment, a 573-g quantity of…

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Q: 5 Given the circuit above, with Total Voltage of 20V, R1 = 30 ohms, R2 = 40 ohms and R3 = 30 ohms,…

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Q: Find the acceleration V=3 m/s U=0 m/s t=2 s

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Q: How much work is needed to horizontally move a 1,200 kN box in constant speed? The frictional force…

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Q: A bucket of mass 1.90 kg is whirled in a vertical circle of radius 1.30 m . At the lowest point of…

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Q: 40. Light strikes a plane mirror at an angle of 30° from the surface of the mirror. The angle of…

A: Givena)angle of light ray from surface of mirror =30∘b)a point source and concave mirrorc)concave…

Q: Find force Mass=2.334 kg Acceleration=0.6 m/s2

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Q: Compute impulse Force-2.33 N Time=0.02 s

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Q: In the figure, two blocks are connected over a pulley. The mass of block A is 7.40 kg and the…

A:

Q: 8 What is the work done (Nm) to a system with a mass of 20kg by lifting it using 2000N of force and…

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Q: Find Density of object of mass 560 kg which accupies space of 34 m³ ?

A: Introduction :  In this question we are provided with value of  mass and volume . with these data we…

Q: 1) After a projectile is launched in the air, in which direction does it experience constant,…

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Q: Mary is doing an experiment of electrostatic force. She uses a balloon of static energy to pick up…

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Q: Compute the momentum Mass=22.66 kg Velocity=0.99 m/s

A: Given data : Velocity is denoted by V Mass is denoted by m   Required : The momentum value

Q: Find the momnetum Mass=0.002 kg Velocity=2 m/s

A:

Q: (E) = 3NA hwr hap eKgT – 1

A: In the given question its given that…

Q: In the overhead view of the figure, a 480 g ball with a speed v of 8.6 m/s strikes a wall at an…

A: (a)  J →= Δp→Δp→ = m(v→f-v→i)Here, v→i = +8.22i^-2.5j^v→f = +8.22i^+2.5j^J →= (0.48kg x 5…

Q: oh the solutions and the answer are wrong

A: Draw the schematic diagram of the path.

Q: Compute the momentum Mass=22.66 kg Velocity=0.99 m/s

A: Given ,mass (M) = 22.66 kg  Velocity (v) = 0.99 m/s

Q: 1. Two blocks was pulled by a rope with a force of 50 N, the masses of blocks 1 and 2 are 2 kgs.,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Compute the momentum Mass=22.66 kg Velocity=0.99 m/s

A: Given :- mass = 22.66 kg  Velocity = 0.99  m/s

Q: 5 The initial and final velocities of a particle are shown in Fig. 3-25. Find the particle's average…

A:

Q: 5. A mass of 4.0 kg is in motion along a horizontal, frictionless surface with a speed of 2.5 m/s…

A: Write the given values with the suitable variables. m=4 kgu=2.5 m/sk=1250 N/m Here, m is the mass, u…

Q: Find force Mass=2.334 kg Acceleration=0.6 m/s2

A: Given : Mass (m) = 2.334 kg Acceleration (a) = 0.6 m/s2

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.