One gram of a sample of Bi decays to 83 0.25g after 10 days. The half life of Bi in days is A 3 5 C 0.2 D 2 C

Q: 8. Two blocks connected by a cord passing over a small, frictionless pulley rests on a frictionless…

A: Using Newton's second law of motion, we can write equation of motion of both blocks and solve the…

Q: SA4) What is the velocity of a 0.03 kg bullet that has a KE of 3750 J when fired from a rifle?

A: Have a look

Q: A research team has discovered that a moon is circling a planet of our solar system: The moon orbits…

A: As the moon is revolving around the planet, the velocity of the moon is v = Rω v= 2πRT v=…

Q: A skier leaves a jump with a horizontal velocity of 22.4 m/s. If the landing point is 78.5 m lower…

A: We can solve this problem using the projectile motion. Let's start with the horizontal distance the…

Q: The total distance, d, fallen by a mass should be proportional to the square of the time, t. To…

A: Given:

Q: Use Newton's law of gravity to calculate the force of gravity between: a) The Earth and the Moon. b)…

A: Newtons law of gravity is given by: F=Gm1m2r122F= gravitational forceG= universal gravitational…

Q: For the quantities in figure 2 (the picture and the table , namely ; power, speed, time, wheel base,…

A: 1) convert in SI units: a) wheelbase = 97.8 in since, 1 in = 0.0254 m; => 97.8 in = 97.8 x 0.0254…

Q: Convert 3.7 metric tons to slugs ( use 1 metric ton = 1Mg). Express your answers in 2 decimal…

A:

Q: On a dare from a friend, you decide to try to jump a canyon using your bicycle as shown in the…

A: Given data:The initial height of ramp is y0=9.2 m.The angle of ramp is .The distance from ramp is…

Q: Procopio is driving a car (m = 1000 kg) at v7 = 11.11 m/s when he stepped on the brakes. The car…

A: Given, Mass of the car, m = 1000 kg initial speed of the car, v1 = 11.11 ms distance traveled before…

Q: Based on the figure below, If 1 square represents 1 km, then what is the total displacement.

A:

Q: Please don't use chatgpt, Provide answer in Handwritten format. Include diagram and explanation for…

A:

Q: 5. A loaded ore car has a mass of 1200 kg and rolls on rails with negligible friction. It starts…

A: The power of the motor when the speed is constant is the work in a determinate time, P=Wt The work…

Q: B 3m 2m R-

A: There are two physical concepts used to solve the problem. Initially, when the marble is in the…

Q: A 7 kg block of wood resting on a platform was hit by a 0.08 kg of bullet travelling upward with a…

A:

Q: Mech.1. A block of mass m is projected up from the bottom of an inclined ramp with an initial…

A: The figure of the given question;

Q: Convert 40 miles per hour to meter/sec show your work and briefly explain how you did this in…

A: Given velocity = 40 miles per hour to convert = velocity in meter per second

Q: 99. A plannet has a radius of half the earth's radius and a mass a quater of the earth's mass. What…

A: Given:  Radius of Earth is re.Mass of Earth is me.Radius of planet is rp=re/2Mass of Planet is…

Q: In the second set of problems below, you will be given the force applied to an object and the…

A: Mass of object is 2kg

Q: Hello, part D was incorrect, and where does the six come from?? I confused on reading the graph

A: Write the expression for the time period and substitute the corresponding values. T=1fT=150 HzT=0.02…

Q: A block (M = 13 kg ) on a rough horizontal table is connected by a light cord over a frictionless…

A: Given values  M = 13kg m = 7.5kg Coefficient of kinetic friction = 0.28

Q: Below in each of the questions are given two statements I and II. These statements may be either…

A: Option (D) is correct

Q: 1. An object is propelled off of a platform that is 75 feet high at a speed of 45 feet per second…

A:

Q: Replace the three forces shown by an equivalent force-couple system at point A. If the forces are…

A: Resultant force at A can be calculated as, R=∑FxR=280-220+390R=450 N

Q: Josie drove her car around a roundabout at 7.82 mph with an 0.049 m/s²accelera- tion. What was the…

A: Josie drove her car around a round.Velocity V =  7.82 m/hr = 0.0022m/sAcceleration  a=   0.049 m/s2.

Q: Two boxes, each weighing 40 lb, are connected by a rope as shown. Assume that the surfaces are…

A: GivenTwo boxes, each weighing 40 lb, are connected by a rope as shown. Assume that the surfaces are…

Q: A ball is hanging from a cord of negligible weight. A secondary ball with the same weight as the…

A: In case of elastic collision, we know that the momentum and the kinetic energy both will remain…

Q: 2. For the system of masses and pulleys shown below, solve for the tension in the string and the…

A:

Q: 2 A weight can be hung by string in any of the following 4 ways of same type. In which type is the…

A:

Q: 2000m Not to scale (d) The diagram shows a standard kilogram mass at the surface of the Earth and a…

A:

Q: A 6.6 kg block of wood resting on a platform was hit by a 0.04 kg of bullet travelling upward with a…

A:

Q: What is the speed of a cheetah if it travels 300 meters in 50 seconds? Be sure to show your work and…

A: Given data:  Distance (d) = 300 m Time (t) = 50 s Required: The speed (v)

Q: A heavy chandelier with mass 120 kg is hung by chains in equilibrium from the celling of a concert…

A:

Q: For the system forces showed, calculate the magnitude of the resulting force from the forces F, P,…

A:

Q: In the following diagram, an object of 15 kg, in equilibrium, is hanging from the strings. Find the…

A:

Q: Analyze the diagram below. Solve for the unknown value.

A:

Q: A cannonball is shot from ground level with an initial velocity of 100m/s at an angle of 40° to the…

A:

Q: EXERCISES: Flot the data points presented on each table below using the "Scatter with nd Markers"…

A:

Q: Make a conclusions and generalizations to the data table. Experiment is all about power. Procedure…

A: Work done and power are related as follows: Power is ratio of work done to the time taken for it.

Q: a. Draw a clearly labeled free-body diagram for the chair b. Use your diagram and Newton's laws to…

A: